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
62496767Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 585000
B2 = 10822500
LL
StatusDateUserResidueShift
Verified2014-05-06Michael Sommars5498F40F3FA140A311478086
Verified2022-09-20Andrew_and5498F40F3FA140A356330650
History
DateUserTypeResult
2022-09-20Andrew_andC-LL
5498F40F3FA140A3
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-05-06Michael SommarsC-LL
5498F40F3FA140A3
2013-09-20AxelssonNF
no factor from 2^73 to 2^74
2013-03-19VolondNF-PM1
B1=585000, B2=10822500
2013-02-28RichD0NF
no factor from 2^70 to 2^73
2011-12-06-Anonymous-NF
no factor from 2^69 to 2^70
2010-03-11-Anonymous-NF
no factor from 2^68 to 2^69
2009-12-29-Anonymous-NF
no factor from 2^67 to 2^68
2009-08-14laxxcoachNF
no factor from 2^66 to 2^67
2009-08-13Per JessenNF
no factor from 2^65 to 2^66
2009-08-12Per JessenNF
no factor from 2^64 to 2^65
2009-01-09DerekNF
no factor from 2^63 to 2^64