Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

1000)) { this.full_details_checkbox.checked = false; alert('full details cannot be shown for exponent ranges >1000'); }">
Exponent Range:










MnStatusDetails
139055549Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 908000
B2 = 133248822
PRP
StatusDateUserResidueShiftTypeBase
Verified2025-01-09curtisc619980B383AA0C2A6408816513
History
DateUserTypeResult
2025-01-10Cong ShengzhuoCERT
PRP Certification
CERT proof power = 8
Proof certified good
2025-01-09curtiscC-PRP
619980B383AA0C2A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-09-01infinigonNF
no factor from 2^76 to 2^77
2024-09-01tscNF-PM1
B1=908000, B2=133248822
2024-07-17SRBaseNF
no factor from 2^75 to 2^76
2023-01-21SRBaseNF
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
2016-08-20Dennis SchreiberNF
no factor from 2^71 to 2^72
2016-08-19Dennis SchreiberNF
no factor from 2^70 to 2^71
2016-08-18DerekNF
no factor from 2^69 to 2^70
2016-08-18DerekNF
no factor from 2^68 to 2^69
2016-08-13proxy2222NF
no factor from 2^67 to 2^68
2015-02-09firereddNF
no factor from 2^66 to 2^67
2012-11-26RichardNF
no factor from 2^65 to 2^66
2010-12-05kiwiboyNF
no factor from 2^64 to 2^65
2010-06-13sasaki3NF
no factor from 2^63 to 2^64