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Cod sursa(job #433463)
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("gfact.in");
ofstream fout("gfact.out");
int P,Q,var,i,j;
long long A;
long long lgput(int N, int P)
{
if(P==1)
return N;
else
if(P==2)
return (N*N);
else
{
if(P%2==0)
{
var = lgput(N,P/2);
return (var*var);
}
else
{
var = lgput(N,(P-1)/2);
var = (var*var);
return (var*N);
}
}
}
int main()
{
fin>>P>>Q;
A = lgput(P,Q);
long long prod = 1;
for(i=1;i<A;i++)
{
prod = 1;
for(j=1;j<=i;j++)
prod*=j;
if(prod % A == 0)
{
fout<<i;
break;
}
}
if(i==A)
fout<<A;
return 0;
}