Marin Mersenne 2^P-1
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MnStatusDetails
1105519Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
291559529021048390569818867875530231303219681746151.02023-04-06 04:44:59
ECM
DigitsB1Curves
2550000280 / 280
30250000100 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski5B90
Verified (Factored)John HockingABEDBA6E6B0FC5B90
Verified (Factored)2002-04-20S57483ABEDBA6E6B0FC5B9572592
Verified (Factored)2016-06-01MadPooABEDBA6E6B0FC5B9799956
PRP
StatusDateUserResidueShiftTypeBase
Verified (Factored)2020-11-05Ethan O'Connor3D1549C7ED0EED1A80688513
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2023-04-06mikr3D1549C7ED0EED1A126008053
P-1 factors
DateFactorB1B2
2023-04-0629155952902104839056981886787553023130321968171500000054022094280
History
DateUserTypeResult
2023-04-06curtiscCERT
PRP Certification
Proof certified good
2023-04-06mikrC-PRP
M1105519/2915595290210483905698188678755302313032196817 : 3D1549C7ED0EED1A
PRP proof power = 6
PRP: Verified
Proof certified good
2023-04-06mikrF-PM1
Factor: 2915595290210483905698188678755302313032196817 / (P-1, B1=15000000, B2=54022094280)
2022-11-24JossNF-PM1
B1=1105519, B2=8063441100
2022-10-10NumberwangNF-PM1
B1=118000, B2=5258424600
2020-11-05curtiscCERT
PRP Certification
CERT proof power = 6
Proof certified good
2020-11-05Ethan O'ConnorC-PRP
3D1549C7ED0EED1A
PRP proof power = 6
PRP: Verified (Factored)
Proof certified good
2018-11-20JossNF-PM1
B1=1105519, B2=222209319, E=12
2016-06-01MadPooC-LL
ABEDBA6E6B0FC5B9
2016-02-23Mark RoseNF
no factor from 2^57 to 2^60
2015-12-06ramgeisNF
no factor from 2^70 to 2^71
2015-12-06ramgeisNF
no factor from 2^69 to 2^70
2015-12-06ramgeisNF
no factor from 2^68 to 2^69
2015-12-06ramgeisNF
no factor from 2^67 to 2^68
2015-12-06ramgeisNF
no factor from 2^66 to 2^67
2015-05-25omylistNF
no factor from 2^65 to 2^66
2015-02-21mikrNF-PM1
B1=5000000, B2=200000000, E=12
2014-12-28Matthias WurtingerNF
no factor from 2^64 to 2^65
2014-12-22Matthias WurtingerNF
no factor from 2^63 to 2^64
2012-10-07dbaughNF
no factor from 2^62 to 2^63
2012-09-25kurlyNF-PM1
B1=500000, B2=10000000, E=12
2011-05-09megavinkNF
no factor from 2^61 to 2^62
2009-02-14Sturle SundeNF
no factor from 2^60 to 2^61