APC-PRAC-020.c
Problem Statement
APC-PRAC-020.c
Write a program to check if two number is co-prime or not
Source Code
c
#include <stdio.h>
int main()
{
int a, b, temp, temp_a, temp_b;
printf("Enter the a and b : ");
scanf("%d %d", &a, &b);
temp_a = a, temp_b = b;
while (b > 0)
{
temp = a;
a = b;
b = temp % b;
}
if (a == 1)
printf("\n%d and %d is co-prime\n", temp_a, temp_b);
else
printf("\n%d and %d is NOT co-prime\n", temp_a, temp_b);
return 0;
}1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
● Author - Amit Dutta · Updated - 12 Dec 2025