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
18453329Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 419364660
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-10-14IES R.Dieste-I.Larrosa54FA7BF3158F4D103192768
Verified2007-11-17PennyBlkX54FA7BF3158F4D101038173
History
DateUserTypeResult
2022-03-23Sid & AndyNF-PM1
B1=1000000, B2=419364660
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
2021-09-11SRBaseNF
no factor from 2^70 to 2^71
2020-02-20lycornNF
no factor from 2^69 to 2^70
2018-01-22ramgeisNF
no factor from 2^68 to 2^69
2018-01-22ramgeisNF
no factor from 2^67 to 2^68
2016-03-23Mark RoseNF
no factor from 2^66 to 2^67