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
2353069Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 262
TF below 2^77 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 13200000
B2 = 36611203200
ECM
DigitsB1Curves
2550000270 / 280
Estimated T-Level: 24.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedPeter Doherty82862FA5E92C300D0
Verified1999-03-15Christopher G. Lewis82862FA5E92C300D1681746
Verified2018-05-10kkmrkkblmbrbk82862FA5E92C300D550525
History
DateUserTypeResult
2024-04-05TJAOINF
no factor from 2^69 to 2^70
2023-07-16Sid & AndyNF-PM1
B1=13200000, B2=36611203200
2023-07-13JossNF-PM1
B1=1000000, B2=3799936140
2023-03-15JossNF-PM1
B1=1000000, B2=1647746100
2023-03-03JossNF-PM1
B1=1000000, B2=571651080
2021-06-17TJAOINF
no factor from 2^68 to 2^69
2019-05-06TJAOINF
no factor from 2^67 to 2^68
2018-05-10kkmrkkblmbrbkC-LL
82862FA5E92C300D
2018-02-16Sid & AndyNF-PM1
B1=6000000, B2=180000000, E=12
2017-06-10Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2015-10-27ramgeisNF
no factor from 2^65 to 2^66
2015-03-06VictordeHollanderNF
no factor from 2^64 to 2^65
2015-03-06VictordeHollanderNF
no factor from 2^63 to 2^64
2013-12-04Jerry HallettNF
no factor from 2^62 to 2^63
2013-12-03c10ck3rNF-PM1
B1=500000, B2=10000000, E=12
2012-05-29Sebastian HornbostelNF
no factor from 2^61 to 2^62
2011-01-22Oscar ÖstlinNF-PM1
B1=90000, B2=1822500, E=6
2010-12-03Oscar ÖstlinNF-PM1
B1=75011
2010-11-03JossNF-PM1
B1=20000
2009-01-15Sturle SundeNF
no factor from 2^60 to 2^61