Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
181718093Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
448717026879301871464092375.22024-10-08 14:02:04
History
DateUserTypeResult
2025-06-03GregF
Factor: 44871702687930187146409 / TF: 75-76
2024-10-08SRBaseF
Factor: 44871702687930187146409 / TF: 75-76*
2023-04-02SRBaseNF
no factor from 2^74 to 2^75
2022-01-08SRBaseNF
no factor from 2^73 to 2^74
2019-03-05CommasterNF
no factor from 2^72 to 2^73
2018-12-06ZenghuiNF
no factor from 2^71 to 2^72
2018-09-04treborNF
no factor from 2^70 to 2^71
2018-04-11ZenghuiNF
no factor from 2^69 to 2^70
2017-06-04John DeweyNF
no factor from 2^68 to 2^69
2016-07-07rubikvn2100NF
no factor from 2^67 to 2^68
2015-07-29nikoszNF
no factor from 2^66 to 2^67
2013-05-06tscNF
no factor from 2^65 to 2^66
2011-03-22Damian SilvestreNF
no factor from 2^64 to 2^65
2010-07-24Torchwood InstituteNF
no factor from 2^63 to 2^64