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
2702057Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 270
TF target 263
TF below 2^77 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 10050107760
ECM
DigitsB1Curves
2550000263 / 280
Estimated T-Level: 24.7 ⓘ
LL
StatusDateUserResidueShift
VerifiedWilliam G. Wright60C9D6BB194182E70
Verified1999-05-02Darrell Robinson60C9D6BB194182E7474689
Verified2018-07-31kkmrkkblmbrbk60C9D6BB194182E7176023
History
DateUserTypeResult
2025-03-03JossNF-PM1
B1=10000000, B2=10050107760
2023-03-02Architects CubedNF-PM1
B1=5000000, B2=8367545550
2022-12-25JossNF-PM1
B1=1000000, B2=449428980
2022-10-21Architects CubedNF
no factor from 2^69 to 2^70
2021-06-21TJAOINF
no factor from 2^68 to 2^69
2021-01-13GdSNF-PM1
B1=1565197, B2=54781904, E=12
2019-02-11chuenkitNF
no factor from 2^67 to 2^68
2018-07-31kkmrkkblmbrbkC-LL
60C9D6BB194182E7
2018-07-21JossNF-PM1
B1=600000, B2=6000000, E=6
2017-09-29Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-01-28ramgeisNF
no factor from 2^65 to 2^66
2015-04-13VictordeHollanderNF
no factor from 2^64 to 2^65
2015-04-13VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-14dbaughNF
no factor from 2^62 to 2^63
2012-05-03Grant McCrackenNF
no factor from 2^61 to 2^62
2011-03-16James HeinrichNF-PM1
B1=300000, B2=8000000, E=12
2011-01-16JossNF-PM1
B1=50000
2010-12-26JossNF-PM1
B1=30000
2010-12-16JossNF-PM1
B1=20000
2009-01-30Sturle SundeNF
no factor from 2^60 to 2^61