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

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MnStatusDetails
30288431Composite, with 7 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
60576863825.9old
242307449927.92008-09-09 02:30:10
15485869001691340.52008-09-09 02:30:10
19234970990871340.82008-09-09 02:30:10
14564209613639991650.42014-05-27 11:26:48
2455601415656478071857.82015-07-15 10:34:55
1353355327622552369212166.92019-06-17 03:46:23
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
Verified2024-11-11masserAF92D2AC130A04A07948215753
History
DateUserTypeResult
2024-11-11Chun sung sooCERT
PRP Certification
Proof certified good
2024-11-11masserC-PRP
M30288431/60576863/242307449/1548586900169/1923497099087/1456420961363999/245560141565647807/135335532762255236921 : AF92D2AC130A04A0
PRP proof power = 9
PRP: Verified
Proof certified good
2024-01-28masserNF-PP1
Start=2/7, B1=50000, B2=3500000
2023-12-15masserNF
no factor from 2^72 to 2^74
2022-12-06LordJuliusNF
no factor from 2^71 to 2^72
2022-06-25LordJuliusNF
no factor from 2^65 to 2^66
2022-04-17masserNF-PM1
B1=200000, B2=69050940
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 2^66 to 2^67
2019-12-17Seth_TrNF
no factor from 2^69 to 2^70
2019-06-20Seth_TrNF
no factor from 2^67 to 2^68
2019-06-17Seth_TrF
Factor: 135335532762255236921 / TF: 66-67
2015-07-15TJAOIF
Factor: 245560141565647807 / TF: 57-58
2014-05-27TJAOIF
Factor: 1456420961363999
2008-09-09Will EdgingtonF
Factor: 1923497099087
2008-09-09Will EdgingtonF
Factor: 1548586900169
2008-09-09Will EdgingtonF
Factor: 242307449