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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Exponent Range:










MnStatusDetails
262028083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42566249729859221000892271.92019-10-30 03:32:50
History
DateUserTypeResult
2025-05-01James HeinrichF
Factor: 4256624972985922100089 / TF: 71-72
2019-10-30Smok_bmv F
Factor: 4256624972985922100089 / TF: 71-72*
2019-10-30Smok_bmv NF
no factor from 2^70 to 2^71
2019-05-15James HintzNF
no factor from 2^69 to 2^70
2018-06-22Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2015-12-24Andrew BNF
no factor from 2^67 to 2^68
2015-12-17ConductorNF
no factor from 2^66 to 2^67
2013-11-20subgeniusNF
no factor from 2^65 to 2^66
2011-08-14sasaki3NF
no factor from 2^64 to 2^65
2010-03-15sasaki3NF
no factor from 2^63 to 2^64
2010-03-15sasaki3NF
no factor from 2^62 to 2^63