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
47302811Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 570000
B2 = 15675000
LL
StatusDateUserResidueShift
Verified2009-02-06-Anonymous-C0E6F6F198CD02D035317420
Verified2018-01-12Gerardo L. ReiterC0E6F6F198CD02D021511662
History
DateUserTypeResult
2024-05-29ChuckNF
no factor from 2^68 to 2^69
2018-01-12Gerardo L. ReiterC-LL
C0E6F6F198CD02D0
2017-12-03TheJudgerNF
no factor from 2^72 to 2^73
2015-11-02AirSquirrelsNF
no factor from 2^71 to 2^72
2015-11-02AirSquirrelsNF
no factor from 2^70 to 2^71
2015-07-03Architects CubedNF
no factor from 2^69 to 2^70
2013-03-07Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-02-06-Anonymous-C-LL
C0E6F6F198CD02D0
2008-11-28-Anonymous-NF-PM1
B1=570000, B2=15675000