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
62375017Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 515000
B2 = 9398750
LL
StatusDateUserResidueShift
Verified2013-11-27Amazon EC2C6E8E6766E027D2853333692
Verified2022-09-16OLAFEC6E8E6766E027D2835772577
History
DateUserTypeResult
2022-09-16OLAFEC-LL
C6E8E6766E027D28
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-11-27Amazon EC2C-LL
C6E8E6766E027D28
2013-06-20Kyle AskineNF-PM1
B1=515000, B2=9398750, E=6
2013-06-17electron1897NF
no factor from 2^74 to 2^75
2013-05-30RichD0NF
no factor from 2^73 to 2^74
2013-03-12RichD0NF
no factor from 2^71 to 2^73
2012-09-02E.LechnerNF
no factor from 2^70 to 2^71
2011-12-06lexatrefNF
no factor from 2^69 to 2^70
2009-12-29PsYcHo_mtgNF
no factor from 2^68 to 2^69
2009-12-28-Anonymous-NF
no factor from 2^67 to 2^68
2009-12-24runeskNF
no factor from 2^66 to 2^67
2009-12-21eon_blue_apocalypseNF
no factor from 2^65 to 2^66
2009-12-19eon_blue_apocalypseNF
no factor from 2^64 to 2^65
2008-12-09DerekNF
no factor from 2^63 to 2^64