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
17583691Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 1000000
B2 = 1396452750
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Bad2003-09-29DeAndre J BessCDA1767EC05C79A62848235
Verified2004-11-30Chris LongC8247A20488F69539186392
Verified2007-02-05Markus HagenbuchnerC8247A20488F695315176964
History
DateUserTypeResult
2024-08-19Jarod McClintockNF-PM1
B1=1000000, B2=1396452750
2022-01-11TheJudgerNF
no factor from 2^73 to 2^74
2021-11-18Architects CubedNF-PM1
B1=625000, B2=30279000
2021-11-03Dylan DelgadoNF
no factor from 2^72 to 2^73
2021-09-20-Anonymous-NF
no factor from 2^71 to 2^72
2021-08-29Dylan DelgadoNF
no factor from 2^70 to 2^71
2020-04-18lycornNF
no factor from 2^69 to 2^70
2018-03-11ramgeisNF
no factor from 2^68 to 2^69
2018-03-11ramgeisNF
no factor from 2^67 to 2^68
2016-03-18Mark RoseNF
no factor from 2^65 to 2^66
2014-08-30NesowaNF
no factor from 2^66 to 2^67