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
4695221TF
No factors below 273
TF target 265
P-1
B1 = 4200000
B2 = 10880984400
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified1998-06-01Wim de Lange6D200D37AE019B390
Verified2000-01-25Zackary Geers6D200D37AE019B393434742
History
DateUserTypeResult
2023-03-08Sid & AndyNF-PM1
B1=4200000, B2=10880984400
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
2021-03-21-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-21-Anonymous-NF
no factor from 2^69 to 2^70
2021-03-21-Anonymous-NF
no factor from 2^68 to 2^69
2018-10-09YxinityNF
no factor from 2^67 to 2^68
2018-04-20BloodERazorNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-07-10snme2pm1NF
no factor from 2^65 to 2^66
2015-02-22monstNF
no factor from 2^64 to 2^65
2015-02-22JayderNF
no factor from 2^63 to 2^64
2013-09-29David CampeauNF-PM1
B1=940000, B2=30080000, E=12
2013-09-23Squeeky_SquirrelNF-PM1
B1=165000, B2=4042500, E=6
2011-12-11GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-06-30markrNF
no factor from 2^61 to 2^62
2009-09-03Carsten KossendeyNF-PM1
B1=25000, B2=387500