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PEN A Problems
65
65
Part of
PEN A Problems
Problems
(1)
A 65
Source:
5/25/2007
Clara computed the product of the first
n
n
n
positive integers and Valerid computed the product of the first
m
m
m
even positive integers, where
m
≥
2
m \ge 2
m
≥
2
. They got the same answer. Prove that one of them had made a mistake.
Divisibility Theory