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
166045543Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 278
P-1
B1 = 1381000
B2 = 890162130
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-08-02Dr Mamdouh Barakat on MBAi CloudBCAC3300626FBA858994373113
History
DateUserTypeResult
2025-08-04SchwaCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-08-02Dr Mamdouh Barakat on MBAi CloudC-PRP
BCAC3300626FBA85
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-07SRBaseNF
no factor from 2^75 to 2^76
2024-08-25Luke DurantNF-PM1
B1=1381000, B2=890162130
2023-03-12SRBaseNF
no factor from 2^74 to 2^75
2021-12-10SRBaseNF
no factor from 2^73 to 2^74
2019-01-30JMGarciaNF
no factor from 2^72 to 2^73
2019-01-28cbugNF
no factor from 2^71 to 2^72
2018-12-20proxy2222NF
no factor from 2^70 to 2^71
2018-07-18proxy2222NF
no factor from 2^69 to 2^70
2017-04-17Andrew BNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-05-27KayJongsmaNF
no factor from 2^66 to 2^67
2013-03-15Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-11runeskNF
no factor from 2^64 to 2^65
2010-07-05Mr-PlonkNF
no factor from 2^63 to 2^64