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
1756009TF
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 = 20000000
B2 = 232267155120
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 640
Estimated T-Level: 25.8
LL
StatusDateUserResidueShift
VerifiedPhilip SharmanA92BF34EB29A4E9D0
Verified1998-12-06David ShorrA92BF34EB29A4E9D1602607
Verified2015-06-27MadPooA92BF34EB29A4E9D808363
History
DateUserTypeResult
2023-07-22linamentNF-PM1
B1=20000000, B2=232267155120
2023-07-22linamentNF-PM1
B1=20000000
2023-06-11JossNF-PM1
B1=1756009, B2=9972214980
2023-02-22JossNF-PM1
B1=1756009, B2=1936921140
2023-01-06JossNF-PM1
B1=1756009, B2=913902990
2022-08-01masserNF-PP1
Start=103/31, B1=1600000, B2=57600000
2019-06-17TJAOINF
no factor from 2^67 to 2^68
2018-10-19JossNF-PM1
B1=1756009, B2=193160990, E=12
2018-10-07JossNF-PM1
B1=1756009, B2=175600900, E=12
2018-10-03JossNF-PM1
B1=1756009, B2=158040810, E=12
2018-10-02JossNF-PM1
B1=1756009, B2=140480720, 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
2015-09-06ramgeisNF
no factor from 2^65 to 2^66
2015-07-06mikrNF-PM1
B1=3642200, B2=123456789, E=12
2015-06-27MadPooC-LL
A92BF34EB29A4E9D
2015-05-14snme2pm1NF
no factor from 2^64 to 2^65
2015-05-14snme2pm1NF
no factor from 2^63 to 2^64
2015-04-26Squeeky_SquirrelNF-PM1
B1=130000, B2=3640000, E=6
2014-09-17-Anonymous-NF-PM1
B1=173102
2014-05-06JossNF-PM1
B1=136551
2014-04-08JossNF-PM1
B1=100000
2011-02-07Carsten KossendeyNF-PM1
B1=95000, B2=1567500, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-22Architects CubedNF
no factor from 2^60 to 2^61