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2015 F13 E11
2015 F13 E11
Part of
MBMT Team Rounds
Problems
(1)
MBMT Team -- Fermat #13/Euler #11
Source:
3/29/2015
Two (not necessarily different) integers between
1
1
1
and
60
60
60
, inclusive, are chosen independently and at random. What is the probability that their product is a multiple of
60
60
60
?