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

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MnStatusDetails
332216327Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 3240000
B2 = 86670000
LL
StatusDateUserResidueShift
Unverified2016-11-03-Anonymous-65DCE50F0FB018__197198435
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-16Balazs VadnaiLL double-checkLL0.58 % 2025-09-04
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-14Mark RoseNF
no factor from 2^80 to 2^81
2023-02-14Mark RoseNF
no factor from 2^79 to 2^80
2023-02-14Mark RoseNF
no factor from 2^78 to 2^79
2022-05-01Jon PaceNF
no factor from 2^77 to 2^78
2016-11-03-Anonymous-C-LL
65DCE50F0FB018__
2015-10-27-Anonymous-NF-PM1
B1=3240000, B2=86670000
2015-10-03Grant McCrackenNF
no factor from 2^76 to 2^77
2011-06-19Sebastian HornbostelNF
no factor from 2^75 to 2^76
2011-06-15SunfishNF
no factor from 2^74 to 2^75
2010-05-02Team_InspectorNF
no factor from 2^73 to 2^74
2010-04-26Team_InspectorNF
no factor from 2^72 to 2^73
2008-11-27werdwerdusNF
no factor from 2^71 to 2^72
2008-11-26werdwerdusNF
no factor from 2^70 to 2^71
2008-11-26werdwerdusNF
no factor from 2^69 to 2^70
2008-11-26werdwerdusNF
no factor from 2^68 to 2^69