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
122805253Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 1040000
B2 = 209739600
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-07-09Luke Durant387C66BA79FFC76E7820245513
History
DateUserTypeResult
2024-07-09George WoltmanCERT
PRP Certification
CERT proof power = 8
Proof certified good
2024-07-09Luke DurantC-PRP
387C66BA79FFC76E
PRP proof power = 8
PRP: Verified
Proof certified good
2024-04-08ee33t1NF-PM1
B1=1040000, B2=209739600
2022-06-26TheJudgerNF
no factor from 2^76 to 2^77
2021-08-14KrieselNF
no factor from 2^75 to 2^76
2021-08-14KrieselNF
no factor from 2^74 to 2^75
2019-10-20Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-10-20Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-07-02Ilya AlexandrovNF
no factor from 2^71 to 2^72
2015-07-02Ilya AlexandrovNF
no factor from 2^70 to 2^71
2015-06-03Judge HaleNF
no factor from 2^69 to 2^70
2015-06-03Judge HaleNF
no factor from 2^68 to 2^69
2015-06-03Judge HaleNF
no factor from 2^67 to 2^68
2014-02-07E.LechnerNF
no factor from 2^66 to 2^67
2012-08-27RichardNF
no factor from 2^65 to 2^66
2010-10-26Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-20Torchwood InstituteNF
no factor from 2^63 to 2^64