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
55521883TF
No factors below 274
TF target 273
P-1
B1 = 655000
B2 = 17521250
LL
StatusDateUserResidueShift
Verified2011-12-05curtisc8311F89CD3A605E538919158
Verified2020-08-08Sergey Nosov8311F89CD3A605E524482506
History
DateUserTypeResult
2020-08-08Sergey NosovC-LL
8311F89CD3A605E5
2019-05-26TheJudgerNF
no factor from 2^73 to 2^74
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2015-12-02GregNF
no factor from 2^71 to 2^72
2011-12-05curtiscC-LL
8311F89CD3A605E5
2011-08-28TheJudgerNF
no factor from 2^70 to 2^71
2011-07-22TheJudgerNF
no factor from 2^69 to 2^70
2011-07-03GrunwalderGIMPNF
no factor from 2^68 to 2^69
2011-07-02kagakubuNF-PM1
B1=655000, B2=17521250
2009-05-24searchingforprimesNF
no factor from 2^67 to 2^68
2009-03-18PrimeCruncherNF
no factor from 2^66 to 2^67
2009-03-16PrimeCruncherNF
no factor from 2^65 to 2^66
2009-01-04Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-02-Anonymous-NF
no factor to 2^64