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
18352457Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1000000
B2 = 969272850
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-03-16Nicolas Anzalone46798A7AC1C77EBC3399112
Verified2006-11-28TheJudger46798A7AC1C77EBC5425211
History
DateUserTypeResult
2024-08-24Naegi MakotoNF-PM1
B1=1000000, B2=969272850
2021-05-30-Anonymous-NF
no factor from 2^72 to 2^73
2021-05-29-Anonymous-NF
no factor from 2^71 to 2^72
2021-05-29-Anonymous-NF
no factor from 2^70 to 2^71
2020-02-21lycornNF
no factor from 2^69 to 2^70
2017-09-30ramgeisNF
no factor from 2^68 to 2^69
2017-09-30ramgeisNF
no factor from 2^67 to 2^68
2016-03-22Mark RoseNF
no factor from 2^66 to 2^67