Created
December 24, 2014 05:39
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C Program to Check Whether a Number is Prime or Not
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#include <stdio.h> | |
int main() | |
{ | |
int n, i, flag=0; | |
printf("Enter a positive integer: "); | |
scanf("%d",&n); | |
for(i=2;i<=n/2;++i) | |
{ | |
if(n%i==0) | |
{ | |
flag=1; | |
break; | |
} | |
} | |
if (flag==0) | |
printf("%d is a prime number.",n); | |
else | |
printf("%d is not a prime number.",n); | |
return 0; | |
} |
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