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
160731049Composite: proven not-prime with PRP test
TF
No factors below 278
TF target 278
P-1
B1 = 1384000
B2 = 1423194630
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-02-22GdS6391AE4F13D2F4D1013
History
DateUserTypeResult
2025-05-26ihnlNF
no factor from 2^76 to 2^78
2025-02-23dorkvadorgdCERT
PRP Certification
CERT proof power = 10
Proof certified good
2025-02-22GdSC-PRP
6391AE4F13D2F4D1
PRP proof power = 10
PRP: Verified
Proof certified good
2024-10-03Luke DurantNF-PM1
B1=1384000, B2=1423194630
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2023-03-01SRBaseNF
no factor from 2^74 to 2^75
2021-11-24SRBaseNF
no factor from 2^73 to 2^74
2018-02-22SRS TechnologyNF
no factor from 2^72 to 2^73
2018-02-22SRS TechnologyNF
no factor from 2^71 to 2^72
2018-01-20nate.andersNF
no factor from 2^70 to 2^71
2018-01-16La GüiraNF
no factor from 2^69 to 2^70
2017-03-23XolotlNF
no factor from 2^68 to 2^69
2016-03-09XZTNF
no factor from 2^67 to 2^68
2015-05-05MagnusGNF
no factor from 2^66 to 2^67
2013-02-23Mr-PlonkNF
no factor from 2^65 to 2^66
2011-02-02Mr-PlonkNF
no factor from 2^64 to 2^65
2010-06-29sasaki3NF
no factor from 2^63 to 2^64