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
16833937Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1040000
B2 = 2280298020
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-03-27EDNY5DCEA0A6BC4451015371927
Verified2007-01-16Ars Technica Team Prime Rib5DCEA0A6BC44510114589330
History
DateUserTypeResult
2021-12-30Architects CubedNF-PM1
B1=1040000, B2=2280298020
2021-11-27-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-08-24lycornNF
no factor from 2^70 to 2^71
2020-05-26lycornNF
no factor from 2^69 to 2^70
2018-03-26ramgeisNF
no factor from 2^67 to 2^69
2018-03-25ramgeisNF
no factor from 2^67 to 2^68
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-09-15NesowaNF
no factor from 2^66 to 2^67