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:





MnDetails
332897017
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 281
TF target 281
Factored
FactorDigitsBitsDate
2916579721722934672123851132787.92023-12-21 01:20:41
P-1 factors
DateFactorsB1B2
2023-12-21291657972172293467212385113
3800000825969900
ECM
DigitsB1Curves
255000093 / 280
Estimated T-Level: 21.7
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP
StatusProofDateUserResidueShiftTypeBase
Factored
PRP without proof (not generated)
2019-12-04XebecerFBD367A00224F7D1043
Factored
PRP without proof (not generated)
2020-02-12Kriesel6DF2AF7299BF2F3727514106213
Factored
Certified Good
Power=9
2022-04-04Kriesel6DF2AF7299BF2F3729508725613
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
Certified Good
2024-12-01Kriesel6DF2AF7299BF2F37122981739353
History
DateUserTypeResult
2024-12-01freiburgerCERT
Proof certified good
2024-12-01KrieselC-PRP
Proof Certified Good

Proof Power: 10

2024-08-06KrieselNF-PP1Start=2/7, B1=3800000, B2=800000000
2024-06-05LaurVNFno factor TF: 71-72
2023-12-21KrieselF-PM1Factor: 291657972172293467212385113 / B1=3800000, B2=825969900
2022-04-18KrieselCERT
Proof certified good
2022-04-04KrieselC-PRP
Proof Certified Good

Proof Power: 10

2020-02-12KrieselC-PRP
Proof Certified Good

Proof Power: 10

2019-12-04XebecerC-PRPFBD367A00224F7D1
2019-10-27KrieselNF-PM1B1=2735000, B2=67691250, E=2
2019-10-24KrieselNFno factor TF: 79-80
2019-10-24KrieselNFno factor TF: 80-81
2019-09-09KrieselNFno factor TF: 77-78
2019-09-09KrieselNFno factor TF: 78-79
2019-09-09KrieselNFno factor TF: 75-76
2019-09-09KrieselNFno factor TF: 76-77
2019-01-26srow7NFno factor TF: 74-75
2015-09-27srow7NFno factor TF: 73-74
2015-05-21Jacques MOLNENFno factor TF: 72-73
2013-03-18Architects CubedNFno factor TF: 71-72
2013-02-03LaurVNFno factor TF: 70-71
2012-07-22LaurVNFno factor TF: 69-70
2012-04-14LaurVNFno factor TF: 67-69
2010-11-02Architects CubedNFno factor TF: 66-67