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
178488377Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
71950385189636320820332272.62019-04-21 03:52:26
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^68 to 2^69
2019-04-21Smok_bmv F
Factor: 7195038518963632082033 / TF: 72-73*
2019-04-05lobsterfordinnerNF
no factor from 2^71 to 2^72
2018-04-04The_MatrixNF
no factor from 2^70 to 2^71
2018-03-26The_MatrixNF
no factor from 2^69 to 2^70
2016-10-28Josh FamestadNF
no factor from 2^68 to 2^69
2016-07-15RichardNF
no factor from 2^67 to 2^68
2015-07-16el groccoNF
no factor from 2^66 to 2^67
2013-04-25tscNF
no factor from 2^65 to 2^66
2011-03-15t2NF
no factor from 2^64 to 2^65
2010-07-19MarzbugNF
no factor from 2^63 to 2^64