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
128425397Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1114000
B2 = 1434937350
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-12Luke Durant928931F55510FE8F013
History
DateUserTypeResult
2024-08-12Oliver KruseCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-08-12Luke DurantC-PRP
928931F55510FE8F
PRP proof power = 8
PRP: Verified
Proof certified good
2024-07-25Luke DurantNF-PM1
B1=1114000, B2=1434937350
2023-01-18TravisJankNF
no factor from 2^76 to 2^77
2023-01-18TravisJankNF
no factor from 2^75 to 2^76
2022-12-22SRBaseNF
no factor from 2^74 to 2^75
2021-07-13SRBaseNF
no factor from 2^73 to 2^74
2020-11-14SRBaseNF
no factor from 2^72 to 2^73
2016-03-11manskyNF
no factor from 2^71 to 2^72
2016-03-06manskyNF
no factor from 2^70 to 2^71
2016-03-02JMGarciaNF
no factor from 2^69 to 2^70
2016-02-27proxy2222NF
no factor from 2^68 to 2^69
2015-12-30CSLatDDNF
no factor from 2^67 to 2^68
2015-01-13el groccoNF
no factor from 2^66 to 2^67
2012-10-05RichardNF
no factor from 2^65 to 2^66
2010-11-08Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-29CorranNF
no factor from 2^63 to 2^64