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
4605593TF
No factors below 273
TF target 265
P-1
B1 = 4300000
B2 = 11096449650
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedJakub TesinskyEC4A2538D22D3EF00
VerifiedStephen WoodEC4A2538D22D3EF00
Verified2015-11-14MadPooEC4A2538D22D3EF03169457
History
DateUserTypeResult
2023-02-20Sid & AndyNF-PM1
B1=4300000, B2=11096449650
2021-03-25-Anonymous-NF
no factor from 2^72 to 2^73
2021-03-24-Anonymous-NF
no factor from 2^71 to 2^72
2021-03-22-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-22-Anonymous-NF
no factor from 2^69 to 2^70
2021-03-22-Anonymous-NF
no factor from 2^68 to 2^69
2018-09-28chuenkitNF
no factor from 2^67 to 2^68
2018-05-01Gordon SpenceNF
no factor from 2^66 to 2^67
2017-12-05Ismo LaitelaNF-PM1
B1=1988203, B2=61634303, E=12
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-11-14MadPooC-LL
EC4A2538D22D3EF0
2015-07-04snme2pm1NF
no factor from 2^65 to 2^66
2015-01-16monstNF
no factor from 2^64 to 2^65
2015-01-15JayderNF
no factor from 2^63 to 2^64
2012-01-19Squeeky_SquirrelNF-PM1
B1=110000, B2=2035000, E=6
2011-12-09GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-08-10markrNF
no factor from 2^61 to 2^62
2009-08-28Carsten KossendeyNF-PM1
B1=25000, B2=375000