Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
140226871Tested as composite (unverified, reliable): unconfirmed PRP test says not-prime
TF
No factors below 277
TF target 277
P-1
B1 = 1160000
B2 = 1013631630
PRP
StatusDateUserResidueShiftTypeBase
Unverified (Reliable)2025-07-19Navid AhmedDAB62C30F6C535__12712342313
History
DateUserTypeResult
2025-07-19Navid AhmedC-PRP
DAB62C30F6C535__
PRP: Unverified (Reliable)
PRP without proof (not generated)
2024-09-25Luke DurantNF-PM1
B1=1160000, B2=1013631630
2024-08-27Ryan PropperNF
no factor from 2^76 to 2^77
2023-11-03tscNF
no factor from 2^75 to 2^76
2023-01-18SRBaseNF
no factor from 2^74 to 2^75
2021-11-02SRBaseNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2017-02-19guruNF
no factor from 2^71 to 2^72
2017-02-18JoDuNF
no factor from 2^70 to 2^71
2015-05-16Judge HaleNF
no factor from 2^69 to 2^70
2015-05-16Judge HaleNF
no factor from 2^68 to 2^69
2015-05-16Judge HaleNF
no factor from 2^67 to 2^68
2015-02-13tscNF
no factor from 2^66 to 2^67
2012-11-27AKAxAutoNF
no factor from 2^65 to 2^66
2010-12-10Paolo NF
no factor from 2^64 to 2^65
2010-06-14Jud McCranieNF
no factor from 2^63 to 2^64