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
5035819TF
No factors below 273
TF target 265
P-1
B1 = 4000000
B2 = 9177537600
ECM
DigitsB1Curves
255000044 / 280
Estimated T-Level: 20.8 ⓘ
LL
StatusDateUserResidueShift
Verified1998-08-30Michael Mulchek0ADCE17641E200580
Verified2000-04-27Jim Battle0ADCE17641E200581088586
History
DateUserTypeResult
2022-05-02Sid & AndyNF-PM1
B1=4000000, B2=9177537600
2021-10-27ATHNF-PP1
Start=2/7, B1=2500000, B2=87500000
2021-04-05-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-02-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-01-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-01-Anonymous-NF
no factor from 2^69 to 2^70
2021-01-18TJAOINF
no factor from 2^68 to 2^69
2018-06-11ramgeisNF
no factor from 2^67 to 2^68
2017-03-01Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-17Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-07-28snme2pm1NF
no factor from 2^65 to 2^66
2014-12-16VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-16VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-17JossNF-PM1
B1=67745
2009-07-21USAFSSNF-PM1
B1=55000, B2=907500, E=6