From cabaeea034165dbf49200bceaa3e0db8f25f7aca Mon Sep 17 00:00:00 2001 From: Nick Komons Date: Sun, 3 Dec 2023 15:39:51 -0500 Subject: [PATCH] Added function to check for prime numbers --- isPrime.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 isPrime.c diff --git a/isPrime.c b/isPrime.c new file mode 100644 index 0000000..648548c --- /dev/null +++ b/isPrime.c @@ -0,0 +1,30 @@ +#include + +int main() { + + int num; + int i; + int flag = 0; + + printf("Enter number: "); + scanf("%d", &num); + + for(i = 2; i <= num/2; i++) { + if(num%i == 0) { + flag = 1; + break; + } + } + + if (num == 1) { + printf("1 is not prime\n"); + } else { + if (flag == 0) { + printf("%d is prime\n", num); + } else { + printf("%d is not prime\n", num); + } + } + + return 0; +} \ No newline at end of file