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
6990001TF
No factors below 272
TF target 267
P-1
B1 = 4200000
B2 = 4044086310
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified1999-08-07IES R.Dieste-I.Larrosa20EC8B7A1145058B1612080
Verified2001-11-03Gerhard H Wrodnigg20EC8B7A1145058B6256718
Verified2016-08-04-Anonymous-20EC8B7A1145058B4814487
History
DateUserTypeResult
2023-12-02Sid & AndyNF-PM1
B1=4200000, B2=4044086310
2021-12-06Seth_TrNF-PM1
B1=2000000, B2=258626550
2021-11-09Seth_TrNF-PM1
B1=3000000, B2=75000000, E=12
2021-09-28SRBaseNF
no factor from 2^71 to 2^72
2020-09-14takahashiNF
no factor from 2^70 to 2^71
2020-07-26takahashiNF
no factor from 2^69 to 2^70
2020-04-10TJAOINF
no factor from 2^68 to 2^69
2018-02-26-Anonymous-NF
no factor from 2^67 to 2^68
2016-08-04-Anonymous-C-LL
20EC8B7A1145058B
2016-04-27Gordon SpenceNF
no factor from 2^66 to 2^67
2015-07-03VictordeHollanderNF
no factor from 2^65 to 2^66
2014-01-18lycornNF
no factor from 2^64 to 2^65
2014-01-17lycornNF
no factor from 2^63 to 2^64
2011-06-08Carsten KossendeyNF-PM1
B1=445000, B2=13572500, E=12