Discourse
PUMaC 2012 Number Theory B Problem 3
Past Contests
PUMaC
PUMaC - 2012 Number Theory B
system
November 2, 2024, 7:51pm
1
How many factors of
\left(20^{12}\right)^{2}
less than
20^{12}
are not factors of
20^{12}
?