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
6094883Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 266
P-1
B1 = 4500000
B2 = 5046317640
ECM
DigitsB1Curves
255000097 / 280
Estimated T-Level: 21.7 ⓘ
LL
StatusDateUserResidueShift
Verified1999-01-02Kim HelliwellCBF4F9AD178AA53F0
Verified2000-12-21Alan VidmarCBF4F9AD178AA53F1128935
History
DateUserTypeResult
2024-06-03Sid & AndyNF-PM1
B1=4500000, B2=5046317640
2023-04-09takahashiNF
no factor from 2^72 to 2^73
2022-11-04takahashiNF-PM1
B1=2500000, B2=50422050
2021-09-19SRBaseNF
no factor from 2^71 to 2^72
2021-08-09SRBaseNF
no factor from 2^70 to 2^71
2020-12-26takahashiNF
no factor from 2^69 to 2^70
2020-03-12takahashiNF
no factor from 2^68 to 2^69
2019-06-20takahashiNF-PM1
B1=400000, B2=7500000, E=12
2018-05-29ramgeisNF
no factor from 2^67 to 2^68
2016-03-14Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-10-09snme2pm1NF
no factor from 2^65 to 2^66
2014-09-17monstNF
no factor from 2^64 to 2^65
2014-09-12NesowaNF
no factor from 2^63 to 2^64
2011-04-10markrNF-PM1
B1=115000, B2=2213750, E=6