Here is a code example to check the number is prime or not a prime number. It will input number from user. If number is prime, it will print "Number is prime" on screen and if number is not prime it will print "Number is not prime".
Cut & Paste Script
#include<stdio.h>
#include<conio.h>
void main()
{
int t,c=0,i;
clrscr();
printf("Enter a number\t");
scanf("%d",&t);
for(i=1;i<=t;i++)
{
if(t%i==0)
c++;
}
if(c==2)
printf("\nNumber is prime");
else
printf("\nNumber is not prime");
getch();
}
Here is the source code for printing triangle of numbers using c language. In this example user will input a number, it will start from 1 and will go to the give number.
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