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
268435459
Composite: proven not-prime with PRP test
No factors below 283
TF target 280
P-1
B1 = 10000000
B2 = 5000524650
ECM
DigitsB1Curves
2550000233 / 280
Estimated T-Level: 24.2
TF below 2^75 is very unlikely to find new factors due to ECM effort.
PRP
StatusProofDateUserResidueShiftTypeBase
Verified
PRP without proof (not generated)
2019-05-15kkmrkkblmbrbkEB4264A6767705C719183009513
Verified
Certified Good
Power=10
2023-05-19KrieselEB4264A6767705C7013
History
DateUserTypeResult
2024-10-31KrieselNF-PP1Start=184/41, B1=3200000, B2=650000000
2024-10-08KrieselNF-PP1Start=6/5, B1=3200000, B2=650000000
2024-09-07KrieselNF-PP1Start=2/7, B1=3200000, B2=650000000
2023-06-08Christoph ZengerNF-PM1B1=10000000, B2=5000524650
2023-06-04Christoph ZengerNF-PM1B1=10000000, B2=4000396950
2023-05-30Christoph ZengerNF-PM1B1=10000000, B2=3000269250
2023-05-25Christoph ZengerNF-PM1B1=10000000, B2=2000141550
2023-05-21Christoph ZengerNF-PM1B1=10000000, B2=1000688700
2023-05-19curtiscCERT
Proof certified good
2023-05-19KrieselC-PRPEB4264A6767705C7
Proof Certified Good

Proof Power: 10

2019-05-15kkmrkkblmbrbkC-PRPEB4264A6767705C7
2018-11-11kkmrkkblmbrbkNFno factor TF: 82-83
2018-11-10kkmrkkblmbrbkNFno factor TF: 81-82
2018-11-09kkmrkkblmbrbkNFno factor TF: 29-67
2018-11-09kkmrkkblmbrbkNFno factor TF: 80-81
2018-07-16Christoph ZengerNF-PM1B1=5000000, B2=200000000, E=12
2018-06-17Christoph ZengerNF-PM1B1=5000000, B2=150000000, E=12
2018-06-07Christoph ZengerNF-PM1B1=5000000, B2=100000000, E=12
2013-04-24ATHNF-PM1B1=1000000, B2=50000000
2013-03-02ATHNFno factor TF: 79-80
2013-02-23ATHNFno factor TF: 78-79
2013-02-20ATHNFno factor TF: 77-78
2013-02-18ATHNFno factor TF: 76-77
2010-11-26ATHNFno factor TF: 75-76
2009-11-01ATHNFno factor TF: 74-75
2009-10-24ATHNFno factor TF: 73-74
2009-10-19ATHNFno factor TF: 72-73
2009-10-16ATHNF-PM1B1=200000, B2=20000000
2009-09-28ATHNFno factor TF: 71-72
2009-09-27ATHNFno factor TF: 70-71
2009-09-27ATHNFno factor TF: 69-70
2009-09-26ATHNFno factor TF: 68-69
2009-09-26ATHNFno factor TF: 67-68