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
142792423Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1209000
B2 = 1307713440
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-10-06curtisc5071C364726565A312594845613
History
DateUserTypeResult
2025-10-06Simon VogelCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-10-06curtiscC-PRP
5071C364726565A3
PRP proof power = 8
PRP: Verified
Proof certified good
2024-10-04Luke DurantNF-PM1
B1=1209000, B2=1307713440
2024-10-01Luke DurantNF
no factor from 2^76 to 2^77
2024-03-081997rj7NF
no factor from 2^75 to 2^76
2023-01-23SRBaseNF
no factor from 2^74 to 2^75
2021-11-16SRBaseNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2016-05-09vats09NF
no factor from 2^71 to 2^72
2016-05-09vats09NF
no factor from 2^70 to 2^71
2016-04-24ixfd64NF
no factor from 2^69 to 2^70
2016-04-15Mihai PredaNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-24aurashiftNF
no factor from 2^66 to 2^67
2012-12-16RichardNF
no factor from 2^65 to 2^66
2010-12-19RichardNF
no factor from 2^64 to 2^65
2010-06-16carlos56NF
no factor from 2^63 to 2^64