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
100621819Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 820000
B2 = 13940000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-05ky0urakuC4FF2ED9B3F96A5E5020745513
History
DateUserTypeResult
2020-11-05curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-11-05ky0urakuC-PRP
C4FF2ED9B3F96A5E
PRP proof power = 9
PRP: Verified
Proof certified good
2020-10-28ky0urakuNF-PM1
B1=820000, B2=13940000
2020-09-02riccardo ubertiNF
no factor from 2^75 to 2^76
2020-09-01ktonyNF
no factor from 2^74 to 2^75
2020-03-23gcardonaNF
no factor from 2^73 to 2^74
2020-03-08el groccoNF
no factor from 2^72 to 2^73
2014-12-05MarekBNF
no factor from 2^71 to 2^72
2014-09-02Smok_bmv NF
no factor from 2^70 to 2^71
2014-05-26SatanNF
no factor from 2^69 to 2^70
2014-05-22SMoffatNF
no factor from 2^68 to 2^69
2014-03-20Andreas_TruetschNF
no factor from 2^67 to 2^68
2011-03-22Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-05Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-01-031997rj7NF
no factor from 2^63 to 2^64