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
52876067Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 520000
B2 = 10920000
LL
StatusDateUserResidueShift
Verified2012-08-28Mark_Johnson4CEE4858BB261C8B9453408
Verified2020-02-17Smok_bmv 4CEE4858BB261C8B1208709
History
DateUserTypeResult
2020-02-17Smok_bmv C-LL
4CEE4858BB261C8B
2019-07-02-Anonymous-NF
no factor from 2^73 to 2^74
2016-01-27AirSquirrelsNF
no factor from 2^72 to 2^73
2012-08-28Mark_JohnsonC-LL
4CEE4858BB261C8B
2012-04-10DubslowNF-PM1
B1=520000, B2=10920000, E=12
2012-04-04Craig MeyersNF
no factor from 2^71 to 2^72
2012-02-28megavinkNF
no factor from 2^70 to 2^71
2012-01-02Craig MeyersNF
no factor from 2^69 to 2^70
2010-04-04SAHS Physics ClubNF
no factor from 2^68 to 2^69
2009-04-26raymondfNF
no factor from 2^67 to 2^68
2009-02-26Joel McBethNF
no factor from 2^66 to 2^67
2009-02-16John A OwenNF
no factor from 2^65 to 2^66
2009-02-13tmorrowNF
no factor from 2^64 to 2^65
2008-11-30DerekNF
no factor to 2^64