2 047 699 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
106304927301013681358849991827636315328001	42	136.3	2023-08-26 05:10:50

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	144 / 640

Estimated T-Level: 26.1 ⓘ

TF below 2^82 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Richard Larson	274AE8C6AA73AEF6	0
Verified (Factored)	1999-02-14	Kent Lee	274AE8C6AA73AEF6	909536
Verified (Factored)	2016-07-15	Mark Rose	274AE8C6AA73AEF6	1196083

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-08-26	Naegi Makoto	E62DE0AFFF32F45F	1	1591388	5	3

P-1 factors

Date	Factor	B1	B2
2023-08-26	106304927301013681358849991827636315328001	15400000	47011244280

History

Date	User	Type	Result
2024-05-05	Greg	NF	no factor from 2^69 to 2^70
2023-08-26	Section 31	CERT	PRP Certification Proof certified good
2023-08-26	Naegi Makoto	C-PRP	M2047699/106304927301013681358849991827636315328001 : E62DE0AFFF32F45F PRP proof power = 7 PRP: Verified Proof certified good
2023-08-26	Sid & Andy	F-PM1	Factor: 106304927301013681358849991827636315328001 / (P-1, B1=15400000, B2=47011244280)
2023-03-18	Joss	NF-PM1	B1=1000000, B2=35735888370
2023-02-18	Joss	NF-PM1	B1=1000000, B2=17867918250
2023-02-01	Architects Cubed	NF	no factor from 2^69 to 2^70
2023-01-27	Joss	NF-PM1	B1=1000000, B2=710870160
2021-08-16	TJAOI	NF	no factor from 2^68 to 2^69
2019-08-05	mikr	NF-PM1	B1=4000000, B2=200000000, E=12
2019-07-01	BigBrother	NF-PM1	B1=1000000, B2=20000000, E=12
2019-03-23	chuenkit	NF	no factor from 2^67 to 2^68
2016-08-10	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-07-15	Mark Rose	C-LL	274AE8C6AA73AEF6
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-02	ramgeis	NF	no factor from 2^65 to 2^66
2015-10-06	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-22	Joss	NF-PM1	B1=166345
2013-08-30	ramgeis	NF	no factor from 2^62 to 2^63
2012-02-28	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2012-01-05	Squeeky_Squirrel	NF-PM1	B1=135000, B2=2868750, E=6
2011-01-04	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61

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