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
100455253Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 840000
B2 = 17220000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-29Ben Delo9DD7899932E22C5E5487383013
History
DateUserTypeResult
2020-11-29Simon JosefssonCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-29Ben DeloC-PRP
9DD7899932E22C5E
PRP proof power = 8
PRP: Verified
Proof certified good
2020-11-07Sergey NosovNF-PM1
B1=840000, B2=17220000, E=12
2020-09-05ktonyNF
no factor from 2^75 to 2^76
2020-09-05schoenbornNF
no factor from 2^74 to 2^75
2020-03-15JoDuNF
no factor from 2^73 to 2^74
2020-03-15JoDuNF
no factor from 2^72 to 2^73
2013-12-13SWL551NF
no factor from 2^71 to 2^72
2013-12-13SWL551NF
no factor from 2^70 to 2^71
2013-12-13SWL551NF
no factor from 2^69 to 2^70
2013-12-11Chang Chia-TcheNF
no factor from 2^68 to 2^69
2013-12-08GrunwalderGIMPNF
no factor from 2^67 to 2^68
2011-03-17Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-14Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-01-191997rj7NF
no factor from 2^63 to 2^64