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
443039783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
18782386367515727240172270.72019-12-09 03:22:37
History
DateUserTypeResult
2025-03-23James HeinrichF
Factor: 1878238636751572724017 / TF: 70-71
2019-12-09Smok_bmv F
Factor: 1878238636751572724017 / TF: 70-71*
2018-12-25Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-01-17sasakiNF
no factor from 2^68 to 2^69
2016-04-11sasakiNF
no factor from 2^67 to 2^68
2015-12-26HBendtzNF
no factor from 2^66 to 2^67
2014-08-27firereddNF
no factor from 2^65 to 2^66
2011-11-23albin_pouillesNF
no factor from 2^64 to 2^65
2010-03-23Architects CubedNF
no factor from 2^63 to 2^64