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
61915177TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 12138750
LL
StatusDateUserResidueShift
Verified2014-10-16Fedor Liudogovsky51DD417496E48D3E24032470
Verified2022-06-23Denis Porva51DD417496E48D3E15674408
History
DateUserTypeResult
2022-06-23Denis PorvaC-LL
51DD417496E48D3E
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2014-10-16Fedor LiudogovskyC-LL
51DD417496E48D3E
2014-06-29Craig MeyersNF
no factor from 2^73 to 2^74
2013-05-02tigreroarsNF-PM1
B1=585000, B2=12138750, E=12
2013-02-18RichD0NF
no factor from 2^72 to 2^73
2013-02-11ktonyNF
no factor from 2^71 to 2^72
2012-05-03XyzzyNF
no factor from 2^70 to 2^71
2012-05-03XyzzyNF
no factor from 2^69 to 2^70
2009-09-22Penguin66NF
no factor from 2^68 to 2^69
2009-02-24nailsssNF
no factor from 2^67 to 2^68
2009-02-15searchingforprimesNF
no factor from 2^66 to 2^67
2009-02-11Gunnar AppelqvistNF
no factor from 2^65 to 2^66
2009-02-10fs2k155NF
no factor from 2^64 to 2^65
2009-02-10vidmarNF
no factor from 2^63 to 2^64