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
61878539TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 11846250
LL
StatusDateUserResidueShift
Verified2015-12-06Richard_Prairie2518D7C2FBBEC71928812895
Verified2022-06-22Andrey Mitrofanov2518D7C2FBBEC71934557532
History
DateUserTypeResult
2022-06-22Andrey MitrofanovC-LL
2518D7C2FBBEC719
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-12-06Richard_PrairieC-LL
2518D7C2FBBEC719
2014-06-29Craig MeyersNF
no factor from 2^73 to 2^74
2013-03-15mgpainterNF-PM1
B1=585000, B2=11846250, E=6
2013-01-10kdgehmanNF
no factor from 2^72 to 2^73
2013-01-10kdgehmanNF
no factor from 2^71 to 2^72
2012-12-29kdgehmanNF
no factor from 2^70 to 2^71
2011-11-21S00030NF
no factor from 2^69 to 2^70
2009-09-06-Anonymous-NF
no factor from 2^68 to 2^69
2009-09-02-Anonymous-NF
no factor from 2^67 to 2^68
2009-08-29-Anonymous-NF
no factor from 2^66 to 2^67
2009-08-25Andrew LemyakinNF
no factor from 2^65 to 2^66
2009-08-19Andrew LemyakinNF
no factor from 2^64 to 2^65
2009-04-18wdNF
no factor from 2^63 to 2^64