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

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MnStatusDetails
3096083Factored
FactorDigitsBitsDate
435079578009660733084732375.22022-03-24 12:06:48
ECM
DigitsB1Curves
255000089 / 280
Estimated T-Level: 21.6 ⓘ
TF below 2^67 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-01-21Mark NeelyC4649EF61CFDDD350
Verified (Factored)1999-08-22Stephen WoodC4649EF61CFDDD351663409
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2022-03-30Oliver KruseBF3361D89507FF73182351753
History
DateUserTypeResult
2022-09-10JossNF-PM1
B1=1000000, B2=245252700
2022-04-10JossNF-PM1
B1=1000000, B2=138424650
2022-03-30lajo321CERT
PRP Certification
Proof certified good
2022-03-30Oliver KruseC-PRP
M3096083/43507957800966073308473 : BF3361D89507FF73
PRP proof power = 7
PRP: Verified
Proof certified good
2022-03-24Sergey NosovF-ECM
Factor: 43507957800966073308473 / (ECM curve 3, B1=50000, B2=5000000)
2021-02-01TJAOINF
no factor from 2^68 to 2^69
2018-08-19ramgeisNF
no factor from 2^67 to 2^68
2018-05-21mikrNF-PM1
B1=3000000, B2=100000000, E=12
2017-05-18Gordon SpenceNF
no factor from 2^66 to 2^67
2016-04-17JossNF-PM1
B1=200000, B2=6166832, E=6
2015-06-11ThaNF
no factor from 2^65 to 2^66
2015-02-07VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-07VictordeHollanderNF
no factor from 2^63 to 2^64
2013-01-07dbaughNF
no factor from 2^62 to 2^63
2011-12-06Sid & AndyNF
no factor from 2^61 to 2^62
2011-08-17USAFSSNF-PM1
B1=100000, B2=2125000, E=6
2009-07-03Carsten KossendeyNF-PM1
B1=15000, B2=180000
2009-02-12Sturle SundeNF
no factor from 2^60 to 2^61