Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
33610387Factored
FactorDigitsBitsDate
806649289929.6old
29577140571031.52008-09-09 20:37:48
69909604971032.72008-09-09 20:37:48
522305413991135.62008-09-09 20:37:48
2786301082311238.02008-09-09 20:37:48
125649710702568491753.52014-09-26 11:21:24
2066937823558651841692167.52019-06-20 04:00:09
39922782371067907425672271.82022-12-07 06:55:49
ECM
DigitsB1Curves
25500000 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2023-02-22Dobri6399EA86A55DE23082228627453
History
DateUserTypeResult
2024-01-31masserNF-PP1
Start=2/7, B1=50000, B2=3900000
2023-12-05masserNF
no factor from 2^74 to 2^75
2023-04-02DobriNF
no factor from 2^73 to 2^74
2023-04-02DobriNF
no factor from 2^72 to 2^73
2023-04-02DobriNF-PM1
B1=3000000, B2=3000217290
2023-02-22curtiscCERT
PRP Certification
Proof certified good
2023-02-22DobriC-PRP
M33610387/806649289/2957714057/6990960497/52230541399/278630108231/12564971070256849/206693782355865184169/3992278237106790742567 : 6399EA86A55DE230
PRP proof power = 9
PRP: Verified
Proof certified good
2022-12-07LordJuliusF
Factor: 3992278237106790742567 / TF: 71-72
2022-04-18masserNF-PM1
B1=200000, B2=20687940
2022-02-22masserNF
no factor from 2^70 to 2^71
2021-08-06Seth_TrNF
no factor from 2^68 to 2^69
2021-08-06Seth_TrNF
no factor from 2^67 to 2^68
2019-12-17Seth_TrNF
no factor from 2^69 to 2^70
2019-06-20Seth_TrF
Factor: 206693782355865184169 / TF: 67-68
2019-06-17Seth_TrNF
no factor from 2^66 to 2^67
2014-09-26TJAOIF
Factor: 12564971070256849 / TF: 53-54
2008-09-09Will EdgingtonF
Factor: 278630108231
2008-09-09Will EdgingtonF
Factor: 52230541399
2008-09-09Will EdgingtonF
Factor: 6990960497
2008-09-09Will EdgingtonF
Factor: 2957714057