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Baltic Way
2009 Baltic Way
7
7
Part of
2009 Baltic Way
Problems
(1)
Baltic way 2009 /7
Source:
5/3/2010
Suppose that for a prime number
p
p
p
and integers
a
,
b
,
c
a,b,c
a
,
b
,
c
the following holds: 6\mid p+1, p\mid a+b+c, p\mid a^4+b^4+c^4. Prove that
p
∣
a
,
b
,
c
p\mid a,b,c
p
∣
a
,
b
,
c
.
quadratics
modular arithmetic
number theory unsolved
number theory