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
14233117Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 797000
B2 = 348824700
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Bad2002-07-20S746915B0F3641C4BDC9CA8811720
Verified2002-11-09Alan M. EvansB1412DBA178D6B0411128554
Verified2006-03-28Ars Technica Team Prime RibB1412DBA178D6B0413520064
History
DateUserTypeResult
2023-08-29Sid & AndyNF
no factor from 2^72 to 2^73
2022-03-25Markus K.NF-PM1
B1=797000, B2=348824700
2021-10-15-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-01SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2018-02-12ramgeisNF
no factor from 2^68 to 2^69
2018-02-12ramgeisNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2015-08-30ThaNF
no factor from 2^66 to 2^67