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1941 Moscow Mathematical Olympiad
085
MMO 085 Moscow MO 1941 p^2 mod 12 is 1, where p prime
MMO 085 Moscow MO 1941 p^2 mod 12 is 1, where p prime
Source:
July 18, 2019
prime
remainder
number theory
Problem Statement
Prove that the remainder after division of the square of any prime
p
>
3
p > 3
p
>
3
by
12
12
12
is equal to
1
1
1
.
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