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
44789663Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 540000
B2 = 15795000
LL
StatusDateUserResidueShift
Verified2009-02-24Rich Jacot27D7686DBA370EF435203330
Verified2018-03-13Sergey Nosov27D7686DBA370EF48919383
History
DateUserTypeResult
2024-06-25GregNF
no factor from 2^71 to 2^72
2024-06-20James HeinrichNF
no factor from 2^69 to 2^70
2019-11-13Sid & AndyNF
no factor from 2^73 to 2^74
2018-03-13Sergey NosovC-LL
27D7686DBA370EF4
2018-02-25Andrew BNF
no factor from 2^72 to 2^73
2015-10-23-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-09David CampeauNF
no factor from 2^70 to 2^71
2015-08-04Carsten KossendeyNF
no factor from 2^69 to 2^70
2014-07-07NRNF
no factor from 2^68 to 2^69
2009-02-24Rich JacotC-LL
27D7686DBA370EF4
2009-01-01Rich JacotNF-PM1
B1=540000, B2=15795000