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
128628481Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 277
P-1
B1 = 884000
B2 = 225026130
PRP
StatusDateUserResidueShiftTypeBase
Verified2024-08-13Luke Durant9CC5D3EA489D2318013
History
DateUserTypeResult
2024-08-13Conrado_VillasenorCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-08-13Luke DurantC-PRP
9CC5D3EA489D2318
PRP proof power = 9
PRP: Verified
Proof certified good
2024-07-28mezonNF-PM1
B1=884000, B2=225026130
2023-01-24TravisJankNF
no factor from 2^76 to 2^77
2023-01-24TravisJankNF
no factor from 2^75 to 2^76
2023-01-01SRBaseNF
no factor from 2^74 to 2^75
2019-06-23Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-06-23Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-12-18SMoffatNF
no factor from 2^71 to 2^72
2015-12-07Meral HarbesNF
no factor from 2^70 to 2^71
2015-07-21GregNF
no factor from 2^67 to 2^70
2015-01-15el groccoNF
no factor from 2^66 to 2^67
2012-09-30xiaowuc1NF
no factor from 2^65 to 2^66
2010-11-08Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-29Torchwood InstituteNF
no factor from 2^63 to 2^64