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
128226277Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 277
P-1
B1 = 1077000
B2 = 1361479350
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-19Luke Durant180C75CC2CFBB51D013
History
DateUserTypeResult
2024-08-19DodgyCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-19Luke DurantC-PRP
180C75CC2CFBB51D
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-24Luke DurantNF-PM1
B1=1077000, B2=1361479350
2024-06-24Jarod McClintockNF
no factor from 2^68 to 2^69
2023-08-09nranksNF
no factor from 2^77 to 2^78
2023-01-12TravisJankNF
no factor from 2^76 to 2^77
2023-01-12TravisJankNF
no factor from 2^75 to 2^76
2022-12-22SRBaseNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-10-22SRBaseNF
no factor from 2^72 to 2^73
2015-12-31guruNF
no factor from 2^71 to 2^72
2015-12-21guruNF
no factor from 2^70 to 2^71
2015-12-21Meral HarbesNF
no factor from 2^69 to 2^70
2015-10-12Judge HaleNF
no factor from 2^68 to 2^69
2015-09-30NumberwangNF
no factor from 2^67 to 2^68
2015-01-10el groccoNF
no factor from 2^66 to 2^67
2012-09-28oodairaNF
no factor from 2^65 to 2^66
2010-11-07Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-29Torchwood InstituteNF
no factor from 2^63 to 2^64