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C Program to Find LCM of a Number using Recursion

C Program to Find LCM of a Number using Recursion

The following C program, using recursion, finds the LCM. An LCM is the lowest common multiple of any 2 numbers.

    #include <stdio.h>

    int lcm(int, int);

    int main()

    {

        int x, y, result;

        int prime[100];

        printf("Enter two numbers: ");

        scanf("%d%d", &x, &y);

        result = lcm(x, y);

        printf("The LCM of %d and %d is %d\n", x, y, result);

        return 0;

    }

    int lcm(int x, int y)

    { 

        static int common = 1;

        if (common % x == 0 && common % y == 0)

        {

            return common;

        }

        common++;

        lcm(x, y);

        return common;

    }

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