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- #include <iostream>
- #include<cmath>
- using namespace std;
- long long n,a,c,i,Max,x,s,b,pr,ul,j,z,d,r,y,k,S,pmax;
- int main()
- {
- cin>>n;
- x=1;
- S=0;
- Max=1;
- pmax=1;
- for(d=2; d*d<=n; d++)
- {
- k=0;
- while(n%d==0)
- {
- k=k+1;
- n=n/d;
- }
- if(k>pmax)
- {
- Max=d;
- pmax=k;
- }
- if(k==pmax)
- {
- if(d>Max)
- {
- Max=d;
- }
- }
- }
- if(pmax==1)
- {
- Max=n;
- }
- cout<<Max;
- return 0;
- }
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