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
587959Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 268
TF target 244
TF below 2^94 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 70000000
B2 = 3515943120690
ECM
DigitsB1Curves
2550000280 / 280
30250000613 / 640
Estimated T-Level: 29.8
LL
StatusDateUserResidueShift
VerifiedDavid Slowinski2A120
VerifiedBrian J. BeesleyAB8CCB4B18C1EA120
VerifiedJoel SmithAB8CCB4B18C1EA120
Verified2015-04-11MadPooAB8CCB4B18C1EA12123203
History
DateUserTypeResult
2023-11-28linamentNF-PM1
B1=70000000, B2=3515943120690
2023-11-27linamentNF-PM1
B1=70000000
2023-11-02JossNF-PM1
B1=4923355, B2=10092332250
2023-06-17JossNF-PM1
B1=1998032, B2=67085068050
2022-12-09masserNF-PP1
Start=2/7, B1=16000000, B2=816000000
2022-12-05masserNF-PP1
Start=6/5, B1=8000000, B2=384000000
2022-12-01masserNF-PP1
Start=84/23, B1=4000000, B2=168000000
2022-11-22JossNF-PM1
B1=1998032, B2=10092332250
2022-04-07Gordon SpenceNF
no factor from 2^67 to 2^68
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-02-15YxinityNF
no factor from 2^66 to 2^67
2019-05-06alexNF-PM1
B1=10000000, B2=400000000, E=12
2018-06-04chuenkitNF
no factor from 2^65 to 2^66
2017-08-11ConductorNF
no factor from 2^64 to 2^65
2016-02-23Mark RoseNF
no factor from 2^60 to 2^61
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-11-13Sid & AndyNF-PM1
B1=5879590, B2=176387700, E=12
2015-10-22Bruno VictalNF-PM1
B1=1600000, B2=66000000, E=12
2015-09-06Gordon SpenceNF
no factor from 2^63 to 2^64
2015-09-06Gordon SpenceNF
no factor from 2^62 to 2^63
2015-07-12NRNF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
AB8CCB4B18C1EA12
2013-10-16David CampeauNF-PM1
B1=1240000, B2=39680000, E=12
2012-07-21JossNF-PM1
B1=1175918
2012-03-05JossNF-PM1
B1=826807
2011-08-24JossNF-PM1
B1=661446
2011-07-02JossNF-PM1
B1=396867