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
127027427Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1105000
B2 = 1452510150
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-04Luke Durant2480E1D535B9F77E013
History
DateUserTypeResult
2024-08-04JG48CERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-04Luke DurantC-PRP
2480E1D535B9F77E
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-14Luke DurantNF-PM1
B1=1105000, B2=1452510150
2022-08-27DRobinsonPENF
no factor from 2^76 to 2^77
2022-08-25Kevin JagetNF
no factor from 2^75 to 2^76
2022-08-18Naegi MakotoNF
no factor from 2^74 to 2^75
2021-07-15SRBaseNF
no factor from 2^73 to 2^74
2020-11-14SRBaseNF
no factor from 2^72 to 2^73
2015-06-04La GüiraNF
no factor from 2^71 to 2^72
2015-01-21La GüiraNF
no factor from 2^70 to 2^71
2015-01-14La GüiraNF
no factor from 2^69 to 2^70
2015-01-14La GüiraNF
no factor from 2^68 to 2^69
2015-01-14La GüiraNF
no factor from 2^67 to 2^68
2015-01-05Melvin Smith - GyrasoftNF
no factor from 2^66 to 2^67
2012-09-21Tom BammannNF
no factor from 2^65 to 2^66
2010-11-04sasaki3NF
no factor from 2^64 to 2^65
2010-05-28garoNF
no factor from 2^63 to 2^64