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
8107903Factored
FactorDigitsBitsDate
12799588435719689439469512580.12012-09-22 14:52:26
LL
StatusDateUserResidueShift
Verified (Factored)1999-12-30Myles Stanton32646B468E526DF5833755
Verified (Factored)2002-08-17chris clark32646B468E526DF57739854
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-08-15Oliver KruseC9C49BD65023A065159315753
Verified2020-02-06Luigi MorelliC9C49BD65023A0651109579753
History
DateUserTypeResult
2022-12-12FlaukrotistNF
no factor from 2^68 to 2^69
2022-07-09FlaukrotistNF-PM1
B1=2200000, B2=1908376140
2022-04-10James HeinrichNF
no factor from 2^66 to 2^67
2022-04-10James HeinrichNF
no factor from 2^65 to 2^66
2022-04-10James HeinrichNF
no factor from 2^64 to 2^65
2022-04-08LordJuliusNF
no factor from 2^66 to 2^67
2022-04-08LordJuliusNF
no factor from 2^65 to 2^66
2022-04-08LordJuliusNF
no factor from 2^64 to 2^65
2022-04-08LordJuliusNF
no factor from 2^1 to 2^64
2022-02-06FlaukrotistNF
no factor from 2^67 to 2^68
2020-02-06Luigi MorelliC-PRP
M8107903/1279958843571968943946951 : C9C49BD65023A065
PRP: Verified
PRP without proof (not generated)
2018-08-15Oliver KruseC-PRP
M8107903/1279958843571968943946951 : C9C49BD65023A065
PRP: Verified
PRP without proof (not generated)
2012-09-22James HeinrichF-ECM
Factor: 1279958843571968943946951
2012-07-20AxelssonNF
no factor from 2^63 to 2^64