1 709 233 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2354208494939586761460738802721	31	100.9	2015-07-28 02:05:07

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Michael J. Kilfoyle	45EF363F8E1EDD2B	0
Verified (Factored)	1998-12-13	Nathan Stohs	45EF363F8E1EDD2B	1110720
Verified (Factored)	2015-06-27	MadPoo	45EF363F8E1EDD2B	172838

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	FA1CF001D2B50C1D	1	0	1	3
Verified	2017-11-03	kkmrkkblmbrbk	FA1CF001D2B50C1D	1	476888	1	3

P-1 factors

Date	Factor	B1	B2
2015-07-28	2354208494939586761460738802721	3642200	123456789

History

Date	User	Type	Result
2022-03-08	LordJulius	NF	no factor from 2^58 to 2^60
2017-11-03	kkmrkkblmbrbk	C-PRP	M1709233/2354208494939586761460738802721 : FA1CF001D2B50C1D PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1709233/2354208494939586761460738802721 : FA1CF001D2B50C1D PRP: Verified PRP without proof (not generated)
2015-07-28	mikr	F-PM1	Factor: 2354208494939586761460738802721 / (P-1, B1=3642200, B2=123456789, E=12)
2015-07-21	Joss	NF-PM1	B1=1564130
2015-07-13	Joss	NF-PM1	B1=1421937
2015-07-07	Joss	NF-PM1	B1=1292670
2015-06-27	MadPoo	C-LL	45EF363F8E1EDD2B
2015-06-25	Joss	NF-PM1	B1=1175155
2015-06-08	Joss	NF-PM1	B1=1068323
2015-05-26	Joss	NF-PM1	B1=971203
2015-05-22	Joss	NF-PM1	B1=882912
2015-05-07	Joss	NF-PM1	B1=802648
2015-05-01	Joss	NF-PM1	B1=729680
2015-04-28	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-28	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-08	Joss	NF-PM1	B1=603042
2015-03-14	Joss	NF-PM1	B1=498382
2015-03-05	Joss	NF-PM1	B1=453075
2015-02-23	Joss	NF-PM1	B1=411887
2015-02-16	Joss	NF-PM1	B1=374443
2015-02-03	Joss	NF-PM1	B1=309458
2015-01-07	Joss	NF-PM1	B1=281326
2014-10-05	Joss	NF-PM1	B1=187551
2014-04-29	Joss	NF-PM1	B1=150000
2014-03-31	Joss	NF-PM1	B1=100000
2011-02-11	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-16	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

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