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
14210239Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 791000
B2 = 347178930
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-08-17Larry Reeves78CC1ED2B81CC4E27780407
Verified2005-04-26Ars Technica Team Prime Rib78CC1ED2B81CC4E212573230
History
DateUserTypeResult
2022-04-04Jon PaceNF
no factor from 2^72 to 2^73
2022-03-18RichD0NF-PM1
B1=791000, B2=347178930
2021-10-16-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
2018-02-13ramgeisNF
no factor from 2^68 to 2^69
2018-02-13ramgeisNF
no factor from 2^67 to 2^68
2015-08-28ThaNF
no factor from 2^66 to 2^67
2014-08-01NesowaNF
no factor from 2^65 to 2^66