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
13682761Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 2000000
B2 = 1656047250
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2002-06-02Mark Kroska0EB5DDFD06CE51ED11041869
Verified2005-05-12Marc Getty / Phil Fizur0EB5DDFD06CE51ED10850133
History
DateUserTypeResult
2024-01-09nordiNF-PM1
B1=2000000, B2=1656047250
2023-12-23nordiNF-PM1
B1=2000000
2023-11-14Sid & AndyNF
no factor from 2^72 to 2^73
2021-10-22-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-06SRBaseNF
no factor from 2^70 to 2^71
2021-08-08SRBaseNF
no factor from 2^69 to 2^70
2020-07-05Dylan DelgadoNF-PM1
B1=460000, B2=10810000, e=12
2018-01-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-23-Anonymous-NF
no factor from 2^67 to 2^68
2015-08-14NesowaNF
no factor from 2^66 to 2^67
2014-06-25NesowaNF
no factor from 2^65 to 2^66