Question

How to calculate the LCM (Least Common Multiple) of two integers in C

Answer 1

#include <stdio.h> 

int main(void)
{   
    int a, b, lmc;

    printf("Enter two integers: ");
    scanf("%d %d", &a, &b);
    lmc = (a > b) ? a : b;

    while (1)
    {
        if ( (lmc % a) == 0 && (lmc % b) == 0 )
        {
            printf("The LCM (Least Common Multiple) of %d and %d is: %d\n", a, b, lmc);
            break;
        }
        lmc++;
    }
     
    return 0;
}

 
/*
run:
   
Enter two integers: 12 20
The LCM (Least Common Multiple) of 12 and 20 is: 60

*/

 

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