#include <bits/stdc++.h>

using namespace std;
ifstream fin("gfact.in");
ofstream fout("gfact.out");
unsigned long long p,q,b;
int main()
{
    fin>>p>>q;
    unsigned long long prim=2,cont=0,nr=0;
    while(p%prim==0)
    {
        p/=prim;
        cont++;
    }
    cont*=q;
    nr=prim*(cont-cont/prim);
    b=nr;
    prim=3;
    while(p>1)
    {
        cont=0;nr=0;
        while(p%prim==0)
        {
            p/=prim;
            cont++;
        }
        cont*=q;
        nr=prim*(cont+cont/prim);
        if(nr>b)b=nr;
        prim+=2;
    }
    fout << b << '\n';
    return 0;
}