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#include<bits/stdc++.h>
using namespace std;
ifstream f("gfact.in");
ofstream g("gfact.out");
long long b,e;
long long l;
struct diq
{
long long nr,p;
};
diq v[1002];
int main()
{
f>>b>>e;
for(long long i=2;i*i<=b;++i)
if(b%i==0)
{
v[++l].nr=i;
while(b%i==0)
b/=i,++v[l].p;
}
if(b>1)
v[++l].nr=b,v[l].p=1;
for(long long i=1;i<=l;++i)
v[i].p*=e;
long long sol=0;
for(long long i=1;i<=l;++i){
long long p=0,j;
for(j=v[i].nr;p<v[i].p;)
{
long long k=j;
while(k%v[i].nr==0)
++p,k/=v[i].nr;
if(p<v[i].p)
j+=v[i].nr;
}
sol=max(sol,j);
}
g<<sol<<'\n';
}