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
268435459Composite: proven not-prime with PRP test
TF
No factors below 283
TF target 280
P-1
B1 = 10000000
B2 = 5000524650
ECM
DigitsB1Curves
2550000233 / 280
Estimated T-Level: 24.2
PRP
StatusDateUserResidueShiftTypeBase
Verified2019-05-15kkmrkkblmbrbkEB4264A6767705C719183009513
Verified2023-05-19KrieselEB4264A6767705C7013
History
DateUserTypeResult
2024-10-31KrieselNF-PP1
Start=184/41, B1=3200000, B2=650000000
2024-10-08KrieselNF-PP1
Start=6/5, B1=3200000, B2=650000000
2024-09-07KrieselNF-PP1
Start=2/7, B1=3200000, B2=650000000
2023-06-08Christoph ZengerNF-PM1
B1=10000000, B2=5000524650
2023-06-04Christoph ZengerNF-PM1
B1=10000000, B2=4000396950
2023-05-30Christoph ZengerNF-PM1
B1=10000000, B2=3000269250
2023-05-25Christoph ZengerNF-PM1
B1=10000000, B2=2000141550
2023-05-21Christoph ZengerNF-PM1
B1=10000000, B2=1000688700
2023-05-19curtiscCERT
PRP Certification
CERT proof power = 10
Proof certified good
2023-05-19KrieselC-PRP
EB4264A6767705C7
PRP proof power = 10
PRP: Verified
Proof certified good
2019-05-15kkmrkkblmbrbkC-PRP
EB4264A6767705C7
PRP: Verified
PRP without proof (not generated)
2018-11-11kkmrkkblmbrbkNF
no factor from 2^82 to 2^83
2018-11-10kkmrkkblmbrbkNF
no factor from 2^81 to 2^82
2018-11-09kkmrkkblmbrbkNF
no factor from 2^29 to 2^67
2018-11-09kkmrkkblmbrbkNF
no factor from 2^80 to 2^81
2018-07-16Christoph ZengerNF-PM1
B1=5000000, B2=200000000, E=12
2018-06-17Christoph ZengerNF-PM1
B1=5000000, B2=150000000, E=12
2018-06-07Christoph ZengerNF-PM1
B1=5000000, B2=100000000, E=12
2013-04-24ATHNF-PM1
B1=1000000, B2=50000000
2013-03-02ATHNF
no factor from 2^79 to 2^80
2013-02-23ATHNF
no factor from 2^78 to 2^79
2013-02-20ATHNF
no factor from 2^77 to 2^78
2013-02-18ATHNF
no factor from 2^76 to 2^77
2010-11-26ATHNF
no factor from 2^75 to 2^76
2009-11-01ATHNF
no factor from 2^74 to 2^75
2009-10-24ATHNF
no factor from 2^73 to 2^74
2009-10-19ATHNF
no factor from 2^72 to 2^73
2009-10-16ATHNF-PM1
B1=200000, B2=20000000
2009-09-28ATHNF
no factor from 2^71 to 2^72
2009-09-27ATHNF
no factor from 2^70 to 2^71
2009-09-27ATHNF
no factor from 2^69 to 2^70
2009-09-26ATHNF
no factor from 2^68 to 2^69
2009-09-26ATHNF
no factor from 2^67 to 2^68