MathDB
Problems
Contests
International Contests
IMO Longlists
1974 IMO Longlists
13
13
Part of
1974 IMO Longlists
Problems
(1)
Prove that 2^{147}-1 is divisible 343 [ILL 1974]
Source:
1/2/2011
Prove that
2
147
ā
1
2^{147} - 1
2
147
ā
1
is divisible by
343.
343.
343.
modular arithmetic