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Mersenne primes are prime numbers that can be written in the form
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08 Sep 2021, 10:43
08 Sep 2021, 10:43
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Question Stats:
63% (01:09) correct
36% (01:17) wrong based on 11 sessions
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Mersenne primes are prime numbers that can be written in the form \(2^n − 1\), where n is itself a prime number. Which of the following is NOT a Mersenne prime?
(A) 3
(B) 7
(C) 31
(D) 127
(E) 511
(A) 3
(B) 7
(C) 31
(D) 127
(E) 511
Re: Mersenne primes are prime numbers that can be written in the form
[#permalink]
08 Sep 2021, 10:52
08 Sep 2021, 10:52
1
Answer is E)511
writing them in powers of 2, \(511 = 2^9 - 1\)
writing them in powers of 2, \(511 = 2^9 - 1\)
gmatclubot
Re: Mersenne primes are prime numbers that can be written in the form [#permalink]
08 Sep 2021, 10:52
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