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

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MnStatusDetails
3311233Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
43996683994311342.0old
178825696224941831754.02014-10-26 12:23:40
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-06kkmrkkblmbrbk9A1676F7C39888CF2013
Verified2017-11-19Oliver Kruse9A1676F7C39888CF2132027513
History
DateUserTypeResult
2022-09-10JossNF-PM1
B1=1000000, B2=241175550
2022-04-29LordJuliusNF
no factor from 2^66 to 2^67
2022-04-29LordJuliusNF
no factor from 2^65 to 2^66
2022-04-29LordJuliusNF
no factor from 2^64 to 2^65
2022-04-29LordJuliusNF
no factor from 2^63 to 2^64
2022-04-29LordJuliusNF
no factor from 2^62 to 2^63
2022-03-06JossNF-PM1
B1=1000000, B2=134343300
2021-07-26JossNF
no factor from 2^67 to 2^68
2021-07-09Dylan DelgadoNF-PM1
B1=3000000, B2=273000000
2021-01-10JossNF-PM1
B1=331123, B2=3311233, E=6
2017-11-19Oliver KruseC-PRP
M3311233/4399668399431/17882569622494183 : 9A1676F7C39888CF
PRP: Verified
PRP without proof (not generated)
2017-10-06kkmrkkblmbrbkC-PRP
M3311233/4399668399431/17882569622494183 : 9A1676F7C39888CF
PRP: Verified
PRP without proof (not generated)
2014-10-26TJAOIF
Factor: 17882569622494183 / TF: 53-54