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

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MnStatusDetails
100783841Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 276
P-1
B1 = 1040000
B2 = 27560000
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2020-02-07ANONYMOUS6F31992D3133B8__92184013
History
DateUserTypeResult
2025-07-27JurzalNF
no factor from 2^76 to 2^77
2020-04-05La GüiraNF
no factor from 2^75 to 2^76
2020-03-08Mark RoseNF
no factor from 2^74 to 2^75
2020-02-21Architects CubedNF
no factor from 2^73 to 2^74
2020-02-07Architects CubedNF
no factor from 2^72 to 2^73
2020-02-07ANONYMOUSC-PRP
6F31992D3133B8__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2019-11-30ANONYMOUSNF-PM1
B1=1040000, B2=27560000, E=6
2014-11-28shaugeNF
no factor from 2^71 to 2^72
2011-04-26Craig MeyersNF
no factor from 2^70 to 2^71
2011-04-26Craig MeyersNF
no factor from 2^69 to 2^70
2011-04-26Craig MeyersNF
no factor from 2^68 to 2^69
2011-04-26Craig MeyersNF
no factor from 2^67 to 2^68
2011-03-29Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-11Craig MeyersNF
no factor from 2^65 to 2^66
2010-10-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-02-141997rj7NF
no factor from 2^63 to 2^64