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
14130461Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 2000000
B2 = 1000593990
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-04-07Thad Young0178F32036193797183177
Verified2005-07-17Ars Technica Team Prime Rib0178F320361937975199850
History
DateUserTypeResult
2023-08-28One ManNF
no factor from 2^72 to 2^73
2022-03-12alpertronNF-PM1
B1=2000000, B2=1000593990
2021-10-06Kevin JagetNF
no factor from 2^71 to 2^72
2021-09-02SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2017-10-16ramgeisNF
no factor from 2^68 to 2^69
2017-03-07mikrNF
no factor from 2^67 to 2^68
2015-08-24ThaNF
no factor from 2^66 to 2^67
2014-07-29NesowaNF
no factor from 2^65 to 2^66