Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
3605057Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 271
TF target 264
TF below 2^72 is very unlikely to find new factors due to ECM effort.
P-1
B1 = 10000000
B2 = 15152237100
ECM
DigitsB1Curves
2550000180 / 280
Estimated T-Level: 23.2 ⓘ
LL
StatusDateUserResidueShift
VerifiedTimo Aaltonen and friends402459807EF92D2C0
Verified1999-07-26Ilkka Loppi402459807EF92D2C1711660
History
DateUserTypeResult
2025-05-13Architects CubedNF
no factor from 2^70 to 2^71
2024-06-16JossNF-PM1
B1=10000000, B2=15152237100
2024-01-15JossNF-PM1
B1=2383608, B2=4778283510
2020-11-15axnNF
no factor from 2^69 to 2^70
2020-10-18axnNF
no factor from 2^68 to 2^69
2020-07-29axnNF-PM1
B1=15000000, B2=1000000000, E=12
2020-05-26axnNF-PM1
B1=15000000, B2=600000000, E=12
2019-01-28TJAOINF
no factor from 2^67 to 2^68
2016-12-20Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-10-19ramgeisNF
no factor from 2^65 to 2^66
2015-01-20VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-20VictordeHollanderNF
no factor from 2^63 to 2^64
2012-06-05GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-11-25markrNF-PM1
B1=240000, B2=6120000, E=12
2011-06-09markrNF
no factor to 2^62
2009-07-04Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-13S485122NF
no factor from 2^60 to 2^61