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
205750927Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3523228722031978175272168.32017-10-08 15:34:39
History
DateUserTypeResult
2025-03-24James HeinrichF
Factor: 352322872203197817527 / TF: 68-70
2017-10-08ConductorF
Factor: 352322872203197817527 / TF: 68-69
2016-08-28johnsilverNF
no factor from 2^67 to 2^68
2015-10-05ANONYMOUSNF
no factor from 2^66 to 2^67
2013-07-30lindeeNF
no factor from 2^65 to 2^66
2011-05-08sasaki3NF
no factor from 2^64 to 2^65