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
120717557Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 821000
B2 = 192841950
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-02-24MARSTEC31169A6D26E2243A6221990913
History
DateUserTypeResult
2024-02-24Kevin JagetCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-02-24MARSTECC-PRP
31169A6D26E2243A
PRP proof power = 8
PRP: Verified
Proof certified good
2023-12-21Bricyn JamesonNF-PM1
B1=821000, B2=192841950
2022-06-20TheJudgerNF
no factor from 2^76 to 2^77
2021-07-15TheJudgerNF
no factor from 2^75 to 2^76
2021-07-15TheJudgerNF
no factor from 2^74 to 2^75
2021-07-15TheJudgerNF
no factor from 2^73 to 2^74
2020-11-23SRBaseNF
no factor from 2^72 to 2^73
2015-07-08endless_mikeNF
no factor from 2^71 to 2^72
2015-07-08endless_mikeNF
no factor from 2^70 to 2^71
2015-07-08endless_mikeNF
no factor from 2^69 to 2^70
2015-07-08endless_mikeNF
no factor from 2^68 to 2^69
2015-02-09caddrNF
no factor from 2^67 to 2^68
2013-05-29E.LechnerNF
no factor from 2^66 to 2^67
2012-08-21RichardNF
no factor from 2^65 to 2^66
2010-10-20EPFNF
no factor from 2^64 to 2^65