Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
3526111Factored
FactorDigitsBitsDate
6366446459037517579032169.12009-07-24 16:52:21
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Paul Lee2A2D9D5D22D574BC0
Verified (Factored)1999-07-12Walt Cooney2A2D9D5D22D574BC307147
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-11-08kkmrkkblmbrbk09E63B381289D5A1113250653
Verified2017-11-24Oliver Kruse09E63B381289D5A11146953353
History
DateUserTypeResult
2022-09-20JossNF-PM1
B1=1000000, B2=145208700
2022-06-04LordJuliusNF
no factor from 2^66 to 2^67
2022-06-04LordJuliusNF
no factor from 2^65 to 2^66
2022-06-04LordJuliusNF
no factor from 2^64 to 2^65
2022-06-04LordJuliusNF
no factor from 2^63 to 2^64
2022-06-04LordJuliusNF
no factor from 2^62 to 2^63
2022-06-04LordJuliusNF
no factor from 2^1 to 2^62
2022-04-30JossNF-PM1
B1=500000, B2=145208700
2022-03-01JossNF-PM1
B1=100000
2022-02-22JossNF
no factor from 2^67 to 2^68
2017-11-24Oliver KruseC-PRP
M3526111/636644645903751757903 : 09E63B381289D5A1
PRP: Verified
PRP without proof (not generated)
2017-11-08kkmrkkblmbrbkC-PRP
M3526111/636644645903751757903 : 09E63B381289D5A1
PRP: Verified
PRP without proof (not generated)
2009-07-24Sid & AndyF-ECM
Factor: 636644645903751757903
2009-07-06Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-18S485122NF
no factor from 2^60 to 2^61