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

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MnStatusDetails
100006157Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 830000
B2 = 17222500
LL
StatusDateUserResidueShift
Unverified2019-12-28curtisc81C43BCAE223C6__79435123
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-07-Anonymous-LL double-check0.00 % 2024-11-07
History
DateUserTypeResult
2025-06-03JurzalNF
no factor from 2^76 to 2^77
2022-03-19LordJuliusNF
no factor from 2^1 to 2^64
2022-03-18Lisander ViaeneNF
no factor from 2^1 to 2^64
2019-12-28curtiscC-LL
81C43BCAE223C6__
2019-05-15James HeinrichNF-PM1
B1=830000, B2=17222500, E=12
2019-04-27MadPooNF-PM1
B1=100000
2018-08-20ATHNF
no factor from 2^75 to 2^76
2017-07-07Gordon BowerNF
no factor from 2^74 to 2^75
2017-07-07Gordon BowerNF
no factor from 2^73 to 2^74
2017-07-07Gordon BowerNF
no factor from 2^72 to 2^73
2014-12-31webbertNF
no factor from 2^71 to 2^72
2011-01-03Craig MeyersNF
no factor from 2^70 to 2^71
2011-01-01Craig MeyersNF
no factor from 2^66 to 2^67
2010-12-31Craig MeyersNF
no factor from 2^69 to 2^70
2010-12-28Craig MeyersNF
no factor from 2^68 to 2^69
2010-12-28Craig MeyersNF
no factor from 2^67 to 2^68
2010-12-27Craig MeyersNF
no factor from 2^66 to 2^67
2010-12-23Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-08MarzbugNF
no factor from 2^64 to 2^65