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
155133523Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
11990251724695504191432270.02017-07-03 03:09:47
History
DateUserTypeResult
2025-04-24James HeinrichF
Factor: 1199025172469550419143 / TF: 70-71
2017-07-03Vasily VoroninF
Factor: 1199025172469550419143 / TF: 70-71
2017-03-29La GüiraNF
no factor from 2^69 to 2^70
2017-03-03XolotlNF
no factor from 2^68 to 2^69
2016-05-05DerekNF
no factor from 2^67 to 2^68
2015-04-09KayJongsmaNF
no factor from 2^66 to 2^67
2013-02-02-Anonymous-NF
no factor from 2^65 to 2^66
2011-01-22Charles A. MorrisNF
no factor from 2^64 to 2^65