Question

write a program to print prime numbers upto a certain number....

Answer 1

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

 

PROGRAM:

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#include<stdio.h>

void 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);

    }

    getch();

}

 OUTPUT:

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