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
54078419Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 570000
B2 = 12825000
LL
StatusDateUserResidueShift
Verified2012-11-21curtisc953F1349C006C9E312612881
Verified2020-08-21Sergey Nosov953F1349C006C9E325109474
History
DateUserTypeResult
2020-08-21Sergey NosovC-LL
953F1349C006C9E3
2018-07-27penluNF
no factor from 2^73 to 2^74
2016-02-02AirSquirrelsNF
no factor from 2^72 to 2^73
2012-11-21curtiscC-LL
953F1349C006C9E3
2012-06-24lycornNF
no factor from 2^71 to 2^72
2011-12-11TheJudgerNF-PM1
B1=570000, B2=12825000, E=6
2011-10-08rduerrNF
no factor from 2^68 to 2^71
2009-05-17Son JohanNF
no factor from 2^67 to 2^68
2009-01-02Sturle SundeNF
no factor from 2^66 to 2^67
2009-01-01-Anonymous-NF
no factor from 2^65 to 2^66
2008-12-25-Anonymous-NF
no factor from 2^64 to 2^65
2008-11-241997rj7NF
no factor to 2^64