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
138718777Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1160000
B2 = 1120002840
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-12JORP6932483F696695E44424019713
History
DateUserTypeResult
2025-09-12Stephan GruppCERT
PRP Certification
CERT proof power = 9
Proof certified good
2025-09-12JORPC-PRP
6932483F696695E4
PRP proof power = 9
PRP: Verified
Proof certified good
2024-09-21Luke DurantNF-PM1
B1=1160000, B2=1120002840
2024-08-03Mark_JohnsonNF
no factor from 2^76 to 2^77
2024-07-13SRBaseNF
no factor from 2^75 to 2^76
2024-06-08James HeinrichNF
no factor from 2^68 to 2^69
2023-01-13SRBaseNF
no factor from 2^74 to 2^75
2021-08-03SRBaseNF
no factor from 2^73 to 2^74
2020-11-16SRBaseNF
no factor from 2^72 to 2^73
2017-02-08Ilya AlexandrovNF
no factor from 2^71 to 2^72
2017-02-06guruNF
no factor from 2^70 to 2^71
2017-02-05proxy2222NF
no factor from 2^69 to 2^70
2017-01-21ConductorNF
no factor from 2^68 to 2^69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-01-31el groccoNF
no factor from 2^66 to 2^67
2012-11-29-Anonymous-NF
no factor from 2^65 to 2^66
2010-12-05RichardNF
no factor from 2^64 to 2^65
2010-06-12zygNF
no factor from 2^63 to 2^64