Question

*Please write in code in C*

First, write a function called prime_check(int x) that takes an integer number as an input then return 1 if it is a prime number nd returns 0 if it is a composite number

Then, Write a program that prompt the user to input two numbers:

Print the multiplication of these two numbers if both of them are prime.

Or Print " Sorry at least one of your number is composite" if otherwise

Answer 1

Answer

#include <stdio.h>

int prime_check(int x);

int main() {
    int n1, n2;
    printf("Enter two integers: ");
    scanf("%d", &n1);
    scanf("%d", &n2);
    if (prime_check(n1) && prime_check(n2)) {
        printf("%d\n", n1 * n2);
    } else {
        printf("Sorry at least one of your number is composite\n");
    }
    return 0;
}

int prime_check(int x) {
    int i;
    for (i = 2; i < x; ++i) {
        if (x % i == 0)
            return 0;
    }
    return x > 1;
}

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