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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Exponent Range:










MnStatusDetails
9309743Factored
FactorDigitsBitsDate
297911777928.2old
15826563111030.62008-09-08 05:28:18
1154594326871236.72008-09-08 05:28:18
152977883170871443.82008-11-23 23:51:47
178941639228711444.02008-09-30 23:56:54
76157095423805291652.82014-08-22 11:50:42
330432109728128864812064.82018-02-01 14:34:43
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-07-14Gabriel LignelliDE384E839992AA7C7402159653
Verified2020-11-12kutensDE384E839992AA7C7689400953
P-1 factors
DateFactorB1B2
2022-06-20375004413422934337973846502633486686710105152560010085728921443403613415084254222164391689720000004771857090
History
DateUserTypeResult
2022-11-11LordJuliusNF
no factor from 2^64 to 2^65
2022-06-20ThaF-PM1
Factor: 3750044134229343379738465026334866867101051525600100857289214434036134150842542221643916897 / (P-1, B1=2000000, B2=4771857090)
2022-03-14LordJuliusNF
no factor from 2^65 to 2^66
2021-08-26Seth_TrNF-PM1
B1=340000, B2=19040000
2021-08-06Seth_TrNF
no factor from 2^67 to 2^68
2020-11-12GregCERT
PRP Certification
Proof certified good
2020-11-12kutensC-PRP
M9309743/297911777/1582656311/115459432687/17894163922871/15297788317087/7615709542380529/33043210972812886481 : DE384E839992AA7C
PRP proof power = 8
PRP: Verified
Proof certified good
2019-12-28Seth_TrNF
no factor from 2^68 to 2^69
2019-09-24mnd9NF
no factor from 2^66 to 2^67
2019-06-18Seth_TrNF
no factor from 2^66 to 2^67
2018-07-14Gabriel LignelliC-PRP
M9309743/297911777/1582656311/115459432687/15297788317087/17894163922871/7615709542380529/33043210972812886481 : DE384E839992AA7C
PRP: Verified
PRP without proof (not generated)
2018-02-01TJAOIF
Factor: 33043210972812886481 / TF: 64-65
2014-08-22TJAOIF
Factor: 7615709542380529
2008-11-23Will EdgingtonF
Factor: 15297788317087
2008-09-30markrF
Factor: 17894163922871
2008-09-08Will EdgingtonF
Factor: 115459432687
2008-09-08Will EdgingtonF
Factor: 1582656311