#include <bits/stdc++.h>
#define N 2008

using namespace std;

ifstream fin("gfact.in");
ofstream fout("gfact.out");

int p, q;

void Citire()
{
    fin >> p >> q;
}

int howMany( int b, int p )
{
    int sol = 0;
    int k = p;
    while( k <= b )
    {
        sol += b / k;
        k *= p;
    }
    return sol;
}

int CB( int p, int q )
{
    int st, dr;
    int mid;
    int sol = 0;
    st = 0;
    dr = p * q;
    while( st <= dr )
    {
        mid = ( st + dr ) / 2;
        if( howMany(mid, p) < q )
            st = mid + 1;
        else
            sol = mid,
            dr = mid - 1;
    }
    return sol;
}

void Rezolvare()
{
    if( p == 1 )
    {
        fout << 1;
        return;
    }

    int d, ct = 0;
    int sol = 0;
    while( p % 2 == 0 )
    {
        p /= 2;
        ct++;
    }
    if( ct >= 0 )
        sol += CB( 2, ct * q );
    d = 3;
    while( d * d <= p )
    {
        ct = 0;
        while( d % d == 0 )
        {
            p /= d;
            ct++;
        }
        if( ct != 0 )
            sol += CB( d, ct * q );
        d += 2;
    }
    if( p != 1 )
        sol += CB( p, q );

    fout << sol;
}

int main()
{
    Citire();
    Rezolvare();
    return 0;
}