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
161046211Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
516232834077011779532412375.52024-08-26 10:42:35
History
DateUserTypeResult
2025-06-05GregF
Factor: 51623283407701177953241 / TF: 75-76
2024-08-26SRBaseF
Factor: 51623283407701177953241 / TF: 75-76*
2023-03-01SRBaseNF
no factor from 2^74 to 2^75
2021-11-24SRBaseNF
no factor from 2^73 to 2^74
2018-06-18Aare VesiNF
no factor from 2^72 to 2^73
2018-06-17kutensNF
no factor from 2^71 to 2^72
2018-06-14douro20NF
no factor from 2^70 to 2^71
2018-05-29proxy2222NF
no factor from 2^69 to 2^70
2017-03-27XolotlNF
no factor from 2^68 to 2^69
2016-03-13XZTNF
no factor from 2^67 to 2^68
2015-05-05guruNF
no factor from 2^66 to 2^67
2013-02-25Triumph Daytona NF
no factor from 2^65 to 2^66
2011-02-03dslNF
no factor from 2^64 to 2^65
2010-06-29Torchwood InstituteNF
no factor from 2^63 to 2^64