2 key keaboard (min step for AAAA....)

class Solution {
public:
    int minSteps(int n) {
        int s=0,x=2;
        int ans=0;
        while(n>1)
        {
            if(n%x==0){ans+=x;
                       n/=x;}
            else x++;
        }
        return ans;
    }

};