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
6234523TF
No factors below 272
TF target 266
P-1
B1 = 5000000
B2 = 31092401340
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
VerifiedDavid Willmore4409AB22B9B218B50
Verified1998-12-06Marc Getty / Phil Fizur4409AB22B9B218B50
Verified2015-11-13MadPoo4409AB22B9B218B52234038
History
DateUserTypeResult
2023-05-13Naegi MakotoNF-PM1
B1=5000000, B2=31092401340
2021-10-30firejugglerNF-PM1
B1=3000000, B2=243000000
2021-09-21SRBaseNF
no factor from 2^71 to 2^72
2021-08-16SRBaseNF
no factor from 2^70 to 2^71
2020-07-19takahashiNF
no factor from 2^69 to 2^70
2020-04-05takahashiNF
no factor from 2^68 to 2^69
2019-10-07takahashiNF-PM1
B1=600000, B2=12000000, E=12
2018-06-01ramgeisNF
no factor from 2^67 to 2^68
2016-03-21Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-11-13MadPooC-LL
4409AB22B9B218B5
2015-10-13snme2pm1NF
no factor from 2^65 to 2^66
2014-09-17monstNF
no factor from 2^64 to 2^65
2014-09-12NesowaNF
no factor from 2^63 to 2^64
2013-04-21Squeeky_SquirrelNF-PM1
B1=115000, B2=2300000, E=6