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Cod sursa(job #288174)
#include<fstream.h>
#include<math.h>
main()
{
ifstream in("divprim.in");
ofstream o("divprim.out");
long t, n, i, k, h, s, sd, d, d2, k2;
in>>t;
for(h=1;h<=t;h++)
{
in>>n>>k;
k2=2;
if(k==2)
k2=6;
else
if(k==3)
k2=30;
else
if(k==4)
k2=210;
else
if(k==5)
k2=2310;
else
if(k==6)
k2=30030;
else
k2=510510;
for(i=n;i;i--)
if(i%k2==0)
{ o<<i<<'\n';
i=0;
}
}
in.close();
o.close();
return 0;
}