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
80897813Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 680000
B2 = 13600000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-08-01Mihai PredaC1C874F2CFFB288D013
Verified2019-11-10_p95holder_C1C874F2CFFB288D446949413
History
DateUserTypeResult
2019-11-10_p95holder_C-PRP
C1C874F2CFFB288D
PRP: Verified
PRP without proof (not generated)
2018-08-01Mihai PredaC-PRP
C1C874F2CFFB288D
PRP: Verified
PRP without proof (not generated)
2017-03-23Brian BeuningNF-PM1
B1=680000, B2=13600000, E=6
2016-10-28Mark RoseNF
no factor from 2^74 to 2^75
2016-10-25Judge HaleNF
no factor from 2^73 to 2^74
2016-09-09Judge HaleNF
no factor from 2^72 to 2^73
2016-09-09Judge HaleNF
no factor from 2^71 to 2^72
2013-11-02RobishNF
no factor from 2^70 to 2^71
2013-01-24xiaowuc1NF
no factor from 2^69 to 2^70
2012-04-10DeltronNF
no factor from 2^68 to 2^69
2011-02-10MclighterNF
no factor from 2^67 to 2^68
2011-02-06SpielauerNF
no factor from 2^66 to 2^67
2011-02-04-Anonymous-NF
no factor from 2^65 to 2^66
2010-12-03Architects CubedNF
no factor from 2^64 to 2^65