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
10838833Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 1000000
B2 = 3354249360
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-12-14Markus Kuehl660D8A28B3E09A576092296
Verified2004-01-07William Leggett660D8A28B3E09A576917325
History
DateUserTypeResult
2025-01-08Jarod McClintockNF
no factor from 2^72 to 2^73
2022-02-14axnNF-PM1
B1=1000000, B2=3354249360
2021-10-29SRBaseNF
no factor from 2^71 to 2^72
2021-08-13SRBaseNF
no factor from 2^70 to 2^71
2020-09-07ViliamFNF
no factor from 2^69 to 2^70
2017-12-22ramgeisNF
no factor from 2^68 to 2^69
2017-12-22ramgeisNF
no factor from 2^67 to 2^68
2015-12-02VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-18ThaNF
no factor from 2^65 to 2^66
2013-12-08lycornNF
no factor from 2^64 to 2^65
2013-07-11NesowaNF-PM1
B1=135000, B2=2733750, E=6