Make A Program For Finding Prime Numbers?
Dec 21, 2011
I needed to make a program for finding prime numbers. The logic is that you have to put limits n & m and then LOOP and odd-integer P between n & m inclusive. I have a button to click on my form that displays 2 message boxes, one saying " enter upper limit" and the other say "enter lower limit". I need now to get the results of the odd prime numbers between the limits into a list box!
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
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Feb 25, 2010
Simple Program for Prime numbers stumped?
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Apr 20, 2011
First off, I'm not sure if this is the right forum, please move it if it isn't. I am only just beginning with visual basic and I am trying to write a basic program to calculate the prime numbers from 1 to 100. This is what I have so far:
[Code]...
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Oct 7, 2010
So I have been assigned to create a program that finds prime numbers. And then for the final part of the program I need to have the computer find the millionth prime.
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Dec 24, 2011
So I made a program for generating prime numbers in a list box. My initial code had them listed like this:
2
3
5
7
..ect
Now I have them listed in pairs like this :
[Code]...
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Feb 25, 2010
Basically what I am making is a form with just one button and 2 text boxes. The purpose of it is that when I click the button 2 random PRIME numbers between 100-999 will show up in the boxes. With my code I have now, the numbers that show up in the boxes aren't always Prime.
My current Code is.......
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Randomize()
Dim p, q, i, j As Integer
[Code] .....
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Apr 20, 2011
First off, I'm not sure if this is the right forum, please move it if it isn't. I am only just beginning with visual basic and I am trying to write a basic program to calculate the prime numbers from 1 to 100. This is what I have so far:Dim flag As Integer Dim ar(101) As Integer
[Code]...
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Nov 13, 2009
So far I have made a program that can find all the factors of a number (e.g type in 24 and you'll get 1 * 24, 2*12, 3*8, 4*6,). What I would like to do now is add a check box (called Show_Prime_Factors_chk) that when checked it will also show all the prime factors below all the normal factors.
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Mar 1, 2012
I have this number x and i wanted to find all numbers which are relatively prime to it.
My code so far:
For i = 1 To x-1
if [number n is relatively prime to x] Then
ListBox1.Items.Add(x)
End If
Next
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Oct 11, 2009
I want to rite an application that will print first n prime numbers. For example if user enters 7 you should display: 2 3 5 7 11 13 17 Assume that the user will enter only integer values from 1 to 100.
this is what I have so far
Dim intNum As Integer
Dim intX As Integer
Dim strOut As String
[Code]....
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Aug 17, 2011
[URL]
Each set of ( 1 million ) prime numbers is in a ZIP file just click on say 1st Million
on the left to download a list as a ZIP file.
Here is a similar page which is a lot easier on the eyes:>>
[URL]
These are of course great to use in any security application or as part of any password.
However with the list so readily available on the internet is it such a good idea to use a prime number as part of a password? Food for thought perhaps? ....
I guess it depends on how long it is too. :-)
You could try to remember one that is close to an important date or other number that you know maybe?
If you are more paranoid use more than one prime number in a password with other characters ( UPPER and lower case letters etc ).
[URL]
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Mar 13, 2010
I am suppose to write a program using if statements and loops: Create an application that reads an integer number from the user and then displays in the List Box all prime numbers (for this project we are going to violate "positive" rule and make our prime numbers be negative as well) between user's number and zero 5 numbers in one row. The application also displays how many prime numbers there are between user's number and zero, and the total sum of all these prime numbers.
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Jun 20, 2012
I'm having a serious brain fart over this but I need a looping statement that will display all prime number from 6 to 10000.
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Mar 4, 2010
i need a prime numbers in console application in vb.net
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Jul 9, 2009
Just out of curosity, what's wrong with the following line. I'm trying to create a range of integers (3,4,5...,50) and then filtering out only those numbers which are not divisible by any integer less than themselves (bruteforce way of finding primes).
Enumerable.Range(3, 50).Where(Function(x) Not Enumerable.Range(2, x - 1).Any(Function(y) x Mod y = 0))
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Nov 21, 2010
I made a form with a two text boxes for user input.A (lower bound) and an (upper bound), and then a text box to display all prime numbers in that range.I can't figure out what I am doing wrong, my error checking works properly but my math onlyreturns a true or false.
Function
Prime(ByVal findPrime
As Int32)
[code].....
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Jun 4, 2012
I'm trying to make a program that will calculate the sum of consecutive numbers between two given numbers. [code]
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Mar 17, 2011
I am creating an application that takes two numbers (lower and upper) and determines the prime numbers
Public Class primeNumber
Private Sub calculatePrimesButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles calculatePrimesButton.Click
'declare variables
Dim number As Long
[Code] .....
Once I hit the calculate button nothing comes up. I've tried adding the first code inside the function with the remaining code but no result. Now I'm putting the first code in with the calculate prime button. I am guessing there's a sqrt method that needs to be applied but I am not sure if it should be part of the function or the main?
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Dec 4, 2010
I have two user inputs (as textboxes) for two numbers I'm looking to check for all the prime numbers with the range of those two numbers and display them within a multiline textbox, however my code returns nothing but zeros, and I have seen easier ways to do it without functions but I am curious as to how to go about calculating primes within the function.[code]...
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Dec 5, 2010
I am trying to create a form that allows users to input two numbers a high bound and a low bound then when you click the calculate button it determines all the primes within the range and displays those numbers within a multi-line text box. It seems I have everything working except how to display the prime numbers, the result from the following code displays nothing but zeros so I suspect that the range is not being saved somehow? I have asked this on other sites and people just give me completely different code or their own, can anyone help me with this specific code without changing the underlying code, I have a feeling I might be missing a variable or I am calling the function incorrectly.[code]
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May 8, 2009
how to make a program that makes all the possible characters and numbers (A-Z & a-z & 0-9) from 5-20 characters, and put them in a list or something?
Someone may think this is bruteforce hacking, but I don't see why I should do that? If I want to find a password on 13 characters, it would be: 62^13 = 200028539268669788905472 possibilities... in other words... it would take forever!
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Jan 21, 2010
I am new to VB.Net and programming all together. I am trying to make a program that will take 2 numbers input by the user, Add them together and display the sum. Then take the sum and divide it individually by each number to give you what percent of the sum the numbers are. I'm working on making it a program that will calculate the Hardy-Weinberg equilibrium for my Anthro Class. I'm just doing this for practice for my VB.Net Class. But i will move onto that at a later time. I just want to finish this first.
So.. Here is my code so far. It's not complete yet but this is should be enough to make it function.
[Code]...
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Oct 13, 2011
I am making the tough transition from VBA to VB and would be pleased to hear from a VB expert. I am trying to make a program to grab numbers from the screen so that I can log them to a text file. The numbers are part of a flash animation which is regularly updating the number I want to capture and as there is no API i am grabbing the region where the number is displayed into a bitmap and then want to recognise the number with OCR. The code below grabs the screen region ok.
[Code]...
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Mar 14, 2012
I just started to use visual basic last month and I only know the basic codes. No matter how hard I try to understand the codes given by the other member, I can't understand it.So the program I'm making is to show all the inputted values and determine the even numbers, the odd numbers and the prime numbers.I don't know how to get the prime numbers.
Private Sub op1_Click()
a = InputBox("Input Endpoint: ")
For x = 1 To a
[code]....
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Jan 4, 2010
How do you make a prime number generator in a windows forms application
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Nov 11, 2009
I'm wanting to make a program that translates binary code into numbers/letters and numbers/letters into binary code. I know the general system of binary code, but I dont know how to translate anything with VB.net. Is there a general command I need to use or can someone link me to a good tutorial about translating?
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Dec 18, 2011
[code]How i can make The Program to find Numbers On Form and Do That without making So Many "Same" Codes?Its Pretty Annoying To Make Big Program nad only Copying and Pasting Text.
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Feb 21, 2009
I am supposed to create a program that inputs 3 numbers, takes the two largest and outputs an average of those two numbers using simple ifelse statements and logical operators only. I can't seem to get it. I've messed around for a few hours now and nothing seems to be working.
Here's what I have:
Private Sub btnCalc_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalc.Click
Dim score1 As Double
[Code].....
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May 4, 2010
Need to calculate Average Plan Duration for the 3 Shipment TypesSo far i haveQuote:
'CALCULATING AVERAGE DURATION FOR STANDARD
Dim iAverage As Integer
Dim iAvgDuration As Integer
[code]....
I uses the information from the list boxes, (lbShipmentDuration) and (lbShipmentMethod) to calcualte the average Duration for each Shipment Type.
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Mar 16, 2011
i am creating a maths program that works out five number summarys of a range of data. i am having trouble working out the smallest number in a group of numbers. i have used a bunch of if then statements to work out the maximum and i figured that by exchanging a few variables and swapping greater than signs for less than i could use the same code to work out the minimum, but all i get is zero, no matter what i input into my textboxes. below is the code i have used to work out the maximum number
If CheckBox1.Checked = True And CheckBox6.Checked = True Then
max = 0
min = 1000
[Code]......
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