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
2342269Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 262
TF below 2^91 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 13200000
B2 = 35067511050
ECM
DigitsB1Curves
2550000280 / 280
30250000480 / 640
Estimated T-Level: 28.8 ⓘ
LL
StatusDateUserResidueShift
VerifiedAkiva AtwoodFA5DEFDDDF8006EC0
Verified1999-03-15Daniel GoertzenFA5DEFDDDF8006EC870726
Verified2018-05-08kkmrkkblmbrbkFA5DEFDDDF8006EC1275734
History
DateUserTypeResult
2023-06-30Sid & AndyNF-PM1
B1=13200000, B2=35067511050
2023-03-15JossNF-PM1
B1=1000000, B2=1647746100
2023-03-03JossNF-PM1
B1=1000000, B2=571651080
2023-02-24Architects CubedNF
no factor from 2^69 to 2^70
2021-07-12TJAOINF
no factor from 2^68 to 2^69
2019-03-11TJAOINF
no factor from 2^67 to 2^68
2018-05-08kkmrkkblmbrbkC-LL
FA5DEFDDDF8006EC
2018-03-04Sid & 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
2015-10-26ramgeisNF
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
2013-01-23dbaughNF
no factor from 2^62 to 2^63
2012-05-28Sebastian HornbostelNF
no factor from 2^61 to 2^62
2010-03-01BudNF-PM1
B1=500000, B2=10000000, E=12
2009-01-14Sturle SundeNF
no factor from 2^60 to 2^61