How can i write a code in c# to take a number from the user
and then find all the prime numbers till the number entered
by the user.
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Answer Posted / shuklaamit565
using System;
class Test2
{
public static void Main()
{
int prime,num=100;
for(int i = 3; i <num; i++)
{
prime = 1;
for(int n = 2; n <= i - 1;
n++)
{
if(i % n == 0)
{
prime = 2;
}
}
if(prime==1)
{
Console.WriteLine( "
is prime :"+i);
}
}
}
}
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