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Abstract Algebra: Theory and Applications
· Problem 2.4.28
Groups — Thomas Judson
Mathematics — Abstract Algebra · mersenne-primes
Problem
Let
p
≥
2
p \geq 2
p
≥
2
. Prove that if
2
p
−
1
2^p - 1
2
p
−
1
is prime, then
p
p
p
must also be prime.
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