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
18569039Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 5051000
B2 = 23191568400
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-07-13David M. Weatherell7C73094D9D844C822358273
Verified2007-01-16Ars Technica Team Prime Rib7C73094D9D844C8211347085
History
DateUserTypeResult
2024-03-09Jason LynchNF-PM1
B1=5051000, B2=23191568400
2021-11-19-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-08-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-12SRBaseNF
no factor from 2^70 to 2^71
2020-02-17lycornNF
no factor from 2^69 to 2^70
2018-01-25ramgeisNF
no factor from 2^68 to 2^69
2018-01-25ramgeisNF
no factor from 2^67 to 2^68
2016-03-24Mark RoseNF
no factor from 2^66 to 2^67