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
165629557Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1478000
B2 = 1810392276
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-10-12curtisc28F1D582D39097939845149413
History
DateUserTypeResult
2024-10-23Architects CubedNF
no factor from 2^75 to 2^76
2024-10-21XyzzyCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-10-12curtiscC-PRP
28F1D582D3909793
PRP proof power = 8
PRP: Verified
Proof certified good
2024-08-06Luke DurantNF-PM1
B1=1478000, B2=1810392276
2023-03-12SRBaseNF
no factor from 2^74 to 2^75
2021-12-08SRBaseNF
no factor from 2^73 to 2^74
2018-10-29treborNF
no factor from 2^72 to 2^73
2018-09-04treborNF
no factor from 2^71 to 2^72
2018-03-21treborNF
no factor from 2^70 to 2^71
2018-01-27ZenghuiNF
no factor from 2^70 to 2^71
2018-01-22ZenghuiNF
no factor from 2^69 to 2^70
2017-04-15XolotlNF
no factor from 2^68 to 2^69
2016-05-31WisghNF
no factor from 2^67 to 2^68
2015-05-26Héjja KárolyNF
no factor from 2^66 to 2^67
2013-03-14sasaki3NF
no factor from 2^65 to 2^66
2011-02-10sasaki3NF
no factor from 2^64 to 2^65
2010-07-04Matteo2DNF
no factor from 2^63 to 2^64