C Program to Print Prime Numbers upto a given Number

We already have a C Program to Print prime numbers in a given range based on Max and Min.

Check the other codes with more detailed explanation about Prime numbers.

Primality Test

Java Program to Print Prime Numbers upto n (Optimised)

C Program to Print PRIME Numbers in a Given Range

PROGRAM:

#include<stdio.h>
int main()
{
    int n,i,fact,j;
    printf("Enter the Number");
    scanf("%d",&n);
    printf("Prime Numbers are: \n");
    for(i=1; i<=n; i++)
    {
        fact=0;
        for(j=1; j<=n; j++)
        {
            if(i%j==0)
                fact++;
        }
        if(fact==2)
            printf("%d " ,i);
    }
    return 0;
}

 OUTPUT:

Enter the Number50
Prime Numbers are:
2 3 5 7 11 13 17 19 23 29 31 37 41 43 47