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
266466217Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8614109557741288975132169.52019-06-02 18:02:18
History
DateUserTypeResult
2025-03-29James HeinrichF
Factor: 861410955774128897513 / TF: 69-70
2019-06-02Alexander TsupkoF
Factor: 861410955774128897513 / TF: 69-70
2018-06-26Niels_Mache_NextcloudNF
no factor from 2^68 to 2^69
2016-08-31XZTNF
no factor from 2^67 to 2^68
2015-12-28Andrew BNF
no factor from 2^66 to 2^67
2013-11-27RichardNF
no factor from 2^65 to 2^66
2011-08-20sasaki3NF
no factor from 2^64 to 2^65
2010-03-21andr113NF
no factor from 2^63 to 2^64
2010-03-21andr113NF
no factor from 2^62 to 2^63