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
140541407Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1201000
B2 = 1345485570
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-09-04-Anonymous-C9D11C4C0697791A12743524213
History
DateUserTypeResult
2025-09-04mbo1983CERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-09-04-Anonymous-C-PRP
C9D11C4C0697791A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-26Luke DurantNF-PM1
B1=1201000, B2=1345485570
2024-08-24Luke DurantNF
no factor from 2^76 to 2^77
2024-01-18tscNF
no factor from 2^75 to 2^76
2023-01-19SRBaseNF
no factor from 2^74 to 2^75
2021-11-03SRBaseNF
no factor from 2^73 to 2^74
2020-11-12SRBaseNF
no factor from 2^72 to 2^73
2017-08-08David HruskaNF
no factor from 2^71 to 2^72
2016-03-02Ready4PrimeTimeNF
no factor from 2^70 to 2^71
2015-05-09Judge HaleNF
no factor from 2^69 to 2^70
2015-05-09Judge HaleNF
no factor from 2^68 to 2^69
2015-05-09Judge HaleNF
no factor from 2^67 to 2^68
2015-02-15tscNF
no factor from 2^66 to 2^67
2012-11-29OS1NF
no factor from 2^65 to 2^66
2010-12-12James HeinrichNF
no factor from 2^64 to 2^65
2010-06-14Torchwood InstituteNF
no factor from 2^63 to 2^64