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
54951823Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 650000
B2 = 16575000
LL
StatusDateUserResidueShift
Verified2012-04-28AO7AFEE66A7D96AAE09386253
Verified2020-12-13TheGazMan7AFEE66A7D96AAE08015357
History
DateUserTypeResult
2020-12-13TheGazManC-LL
7AFEE66A7D96AAE0
2019-06-08One ManNF
no factor from 2^73 to 2^74
2016-02-04AirSquirrelsNF
no factor from 2^72 to 2^73
2012-04-28AOC-LL
7AFEE66A7D96AAE0
2012-03-23Tom DuellNF
no factor from 2^71 to 2^72
2012-03-23Tom DuellNF
no factor from 2^70 to 2^71
2012-03-17Serge BatalovNF
no factor from 2^69 to 2^70
2011-10-22rduerrNF
no factor from 2^68 to 2^69
2011-09-07ixfd64NF-PM1
B1=650000, B2=16575000
2009-05-15Jeff_GilchristNF
no factor from 2^67 to 2^68
2009-05-13steinrarNF
no factor from 2^66 to 2^67
2009-05-11ClknGo SoftwareNF
no factor from 2^65 to 2^66
2009-05-10Johannes WeingartnerNF
no factor from 2^64 to 2^65
2008-12-29Sturle SundeNF
no factor from 2^63 to 2^64
2008-07-29-Anonymous-NF
no factor to 2^63