Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1732817TF
No factors below 268
TF target 261
TF below 2^81 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 17000000
B2 = 272007836100
ECM
DigitsB1Curves
2550000280 / 280
30250000105 / 640
Estimated T-Level: 25.8
LL
StatusDateUserResidueShift
VerifiedEd KnaptonE18DCF1A93B6B5650
Verified1998-11-28Nuutti KuosaE18DCF1A93B6B5651057424
Verified2015-06-19MadPooE18DCF1A93B6B565416861
History
DateUserTypeResult
2023-06-29linamentNF-PM1
B1=17000000, B2=272007836100
2023-06-29linamentNF-PM1
B1=17000000
2023-05-16JossNF-PM1
B1=1890475, B2=6544462470
2023-03-04JossNF-PM1
B1=1890475, B2=2867010300
2023-01-04JossNF-PM1
B1=1890475, B2=1043122080
2022-07-31masserNF-PP1
Start=172/17, B1=1700000, B2=61200000
2019-08-06TJAOINF
no factor from 2^67 to 2^68
2018-10-17JossNF-PM1
B1=1890475, B2=190609870, E=12
2018-10-11JossNF-PM1
B1=1890475, B2=173281700, E=12
2018-10-03JossNF-PM1
B1=1890475, B2=17328170, E=12
2018-05-28TJAOINF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2015-09-21mikrNF-PM1
B1=3642200, B2=123456789, E=12
2015-09-16JossNF-PM1
B1=1718614
2015-09-03ramgeisNF
no factor from 2^65 to 2^66
2015-07-27JossNF-PM1
B1=1562377
2015-07-21JossNF-PM1
B1=1420343
2015-07-07JossNF-PM1
B1=1291221
2015-06-25JossNF-PM1
B1=1173838
2015-06-19MadPooC-LL
E18DCF1A93B6B565
2015-06-08JossNF-PM1
B1=1067126
2015-05-26JossNF-PM1
B1=970115
2015-05-22JossNF-PM1
B1=881923
2015-05-07JossNF-PM1
B1=801749
2015-05-05snme2pm1NF
no factor from 2^64 to 2^65
2015-05-05snme2pm1NF
no factor from 2^63 to 2^64
2015-05-01JossNF-PM1
B1=728863
2015-04-08JossNF-PM1
B1=602367
2015-03-15JossNF-PM1
B1=497825
2015-03-08JossNF-PM1
B1=452569
2015-02-22JossNF-PM1
B1=411427
2015-02-11JossNF-PM1
B1=374025
2015-01-29JossNF-PM1
B1=281000
2015-01-27JossNF-PM1
B1=255455
2014-12-02JossNF-PM1
B1=211120
2014-09-10JossNF-PM1
B1=174080
2014-05-06JossNF-PM1
B1=137040
2014-04-04JossNF-PM1
B1=100000
2011-02-12Carsten KossendeyNF-PM1
B1=95000, B2=1543750, E=6
2010-11-18GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-24Architects CubedNF
no factor from 2^60 to 2^61