Definition:Mersenne Number/Mistake

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Source Work

2008: Ian Stewart: Taming the Infinite:

Chapter $7$: Patterns in Numbers
Euclid


Mistake

Numbers of the form $2^p - 1$, with $p$ prime, are called Mersenne primes, ...


Correction

What Ian Stewart has described are in fact Mersenne numbers.

Not all numbers of the form $2^p - 1$, with $p$ prime, are in fact themselves prime.


Sources