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
333334039
Composite: proven not-prime with PRP test
No factors below 281
TF target 281
P-1
B1 = 3800000
B2 = 800436000
ECM
DigitsB1Curves
2550000279 / 280
Estimated T-Level: 25.0
TF below 2^78 is very unlikely to find new factors due to ECM effort.
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
Certified Good
Power=8
2024-01-10Magallan3s39BD5A307586145F013
History
DateUserTypeResult
2024-10-15KrieselNF-PP1Start=149/13, B1=3800000, B2=800000000
2024-09-05KrieselNF-PP1Start=6/5, B1=3800000, B2=800000000
2024-08-08KrieselNF-PP1Start=2/7, B1=3800000, B2=800000000
2024-06-08James HeinrichNFno factor TF: 72-73
2024-05-18KrieselNF-PM1B1=3800000, B2=800436000
2024-01-15KrieselCERT
Proof certified good
2024-01-10Magallan3sC-PRP39BD5A307586145F
Proof Certified Good

Proof Power: 8

2023-05-14Magallan3sNFno factor TF: 80-81
2023-05-14Magallan3sNFno factor TF: 79-80
2023-05-14Magallan3sNFno factor TF: 78-79
2023-05-14Magallan3sNFno factor TF: 77-78
2023-04-27Magallan3sNF-PM1B1=2156000, B2=306612180
2022-03-10JacobZNFno factor TF: 76-77
2020-11-14arpcarNFno factor TF: 75-76
2020-10-04David HruskaNFno factor TF: 74-75
2020-03-14tscNFno factor TF: 73-74
2017-02-05ConductorNFno factor TF: 72-73
2015-12-27Jacques MOLNENFno factor TF: 71-72
2015-12-27Jacques MOLNENFno factor TF: 70-71
2015-09-08Alex_soldierNFno factor TF: 69-70
2012-04-22LaurVNFno factor TF: 66-69