Problem 525. Mersenne Primes

Created by Drew Weymouth

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1535 Solutions
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Last Solution submitted on Nov 26, 2022

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jean claude on 21 Oct 2017

2047 must turn true... gotta deal with this

John D'Errico on 22 Feb 2018

No. 2047 is not a Mersenne prime. 2047=23*89, even though it is true that 2047=2^11-1.

Minh-Khoi LE on 22 Feb 2022

Some correct solutions are not logically correct, the test case must be fixed

Solution Comments

Solution 90369

3 Comments

3 Comments

MD. MASRUL HUDA on 24 Jun 2012

cheating wirth system

Riyasat on 9 Feb 2015

isn't 2047 supposed to give true?? it satisfies the criteria. But the test suite has it as false. what am i missing?

Jan Orwat on 10 Feb 2015

No. 23*89.

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Problem 525. Mersenne Primes

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Problem 525. Mersenne Primes

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