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
5013787Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 265
P-1
B1 = 4000000
B2 = 9238722570
ECM
DigitsB1Curves
2550000150 / 280
Estimated T-Level: 22.7 ⓘ
LL
StatusDateUserResidueShift
Verified1998-10-11Anton Stöckl386285D3DA9D8EEF0
Verified2000-04-05Gordon Pusnik386285D3DA9D8EEF4328928
History
DateUserTypeResult
2022-05-04Sid & AndyNF-PM1
B1=4000000, B2=9238722570
2021-10-26ATHNF-PP1
Start=2/7, B1=2500000, B2=87500000
2021-04-04-Anonymous-NF
no factor from 2^72 to 2^73
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
2021-02-15TJAOINF
no factor from 2^68 to 2^69
2018-07-13mikrNF-PM1
B1=3600000, B2=120000000, E=12
2018-06-06ramgeisNF
no factor from 2^67 to 2^68
2017-02-09Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-14Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-07-23snme2pm1NF
no factor from 2^65 to 2^66
2014-12-15VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-15VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-10JossNF-PM1
B1=67801
2009-06-20USAFSSNF-PM1
B1=55000, B2=907500, E=6