2507-Smallest-Value-After-Replacing-With-Sum-of-Prime-Factors.java

class Solution {
     public int commonFactors(int a, int b) {
        int c=0;
        for (int i=1;i<=Math.min(a,b);i++){
            if (a%i==0&&b%i==0){
                c++;
            }
        }
        return c;
    }
}