Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
138206051Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19673737599913882655772270.72016-09-15 22:29:07
History
DateUserTypeResult
2025-04-28James HeinrichF
Factor: 1967373759991388265577 / TF: 70-71
2016-09-15yponomarevF
Factor: 1967373759991388265577 / TF: 70-71
2016-09-11nate.andersNF
no factor from 2^69 to 2^70
2016-03-10dbaughNF
no factor from 2^68 to 2^69
2016-02-16Ready4PrimeTimeNF
no factor from 2^67 to 2^68
2015-02-07Paul_KinlawNF
no factor from 2^66 to 2^67
2012-11-20RichardNF
no factor from 2^65 to 2^66
2010-12-03RichardNF
no factor from 2^64 to 2^65
2010-06-12Charles A. MorrisNF
no factor from 2^63 to 2^64