Marin Mersenne 2^P-1
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MnStatusDetails
16311767Factored
FactorDigitsBitsDate
330499911124627779853612374.82017-02-26 16:48:53
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Bad2003-02-09Andreas Jantos06DE240C18BA278310343644
Verified (Factored)2006-07-25Ahmer AliAC4798B3D2A8A9744515889
Verified (Factored)2007-07-04Shane SanfordAC4798B3D2A8A9749131718
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-03-02InsolentJaguarFE0CA5402378408211508664153
History
DateUserTypeResult
2024-03-02Chun sung sooCERT
PRP Certification
Proof certified good
2024-03-02InsolentJaguarC-PRP
M16311767/33049991112462777985361 : FE0CA54023784082
PRP proof power = 8
PRP: Verified
Proof certified good
2024-01-24nordiNF-PM1
B1=500000, B2=256559940
2023-12-11nordiNF-PM1
B1=500000
2017-02-26bamF-ECM
Factor: 33049991112462777985361 / (ECM curve 1, B1=50000, B2=5000000)
2016-03-16Mark RoseNF
no factor from 2^65 to 2^66
2014-08-18NesowaNF
no factor from 2^66 to 2^67