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
5024203TF
No factors below 273
TF target 265
P-1
B1 = 4000000
B2 = 8989970220
ECM
DigitsB1Curves
255000045 / 280
Estimated T-Level: 20.8 ⓘ
LL
StatusDateUserResidueShift
Verified1998-07-21Joel Armengaud06B4DD9ED39B8A5D0
Verified2000-10-15Juergen Mueller06B4DD9ED39B8A5D3441537
History
DateUserTypeResult
2022-05-17Sid & AndyNF-PM1
B1=4000000, B2=8989970220
2021-10-19ATHNF-PP1
Start=2/7, B1=2500000, B2=90000000
2021-04-04-Anonymous-NF
no factor from 2^72 to 2^73
2021-04-04Dylan DelgadoNF-PM1
B1=560000, B2=31360000
2021-04-03-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
2021-02-01TJAOINF
no factor from 2^68 to 2^69
2018-06-06ramgeisNF
no factor from 2^67 to 2^68
2017-02-14Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-15Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-07-27snme2pm1NF
no factor from 2^65 to 2^66
2014-11-14JossNF-PM1
B1=67775
2014-09-14lycornNF
no factor from 2^64 to 2^65
2014-08-30krackerNF
no factor from 2^63 to 2^64
2009-07-18USAFSSNF-PM1
B1=55000, B2=907500, E=6