1 724 861 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
3048646023254714930722379921	28	91.3	2015-08-29 20:12:46

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	108 / 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)		Bill Shepherd	F6659BFCD0E59B24	0
Verified (Factored)	1998-11-28	Alastair Maw	F6659BFCD0E59B24	1480446
Verified (Factored)	2015-07-18	MadPoo	F6659BFCD0E59B24	32184

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-30	alpertron	721CA2CA69180844	1	0	1	3
Verified	2017-10-19	Oliver Kruse	721CA2CA69180844	1	524344	1	3

P-1 factors

Date	Factor	B1	B2
2015-08-29	3048646023254714930722379921	3642200	123456789

History

Date	User	Type	Result
2017-10-19	Oliver Kruse	C-PRP	M1724861/3048646023254714930722379921 : 721CA2CA69180844 PRP: Verified PRP without proof (not generated)
2017-09-30	alpertron	C-PRP	M1724861/3048646023254714930722379921 : 721CA2CA69180844 PRP: Verified PRP without proof (not generated)
2015-08-29	mikr	F-PM1	Factor: 3048646023254714930722379921 / (P-1, B1=3642200, B2=123456789, E=12)
2015-07-24	Joss	NF-PM1	B1=1561292
2015-07-21	Joss	NF-PM1	B1=1419357
2015-07-18	MadPoo	C-LL	F6659BFCD0E59B24
2015-07-07	Joss	NF-PM1	B1=1290325
2015-06-25	Joss	NF-PM1	B1=1173023
2015-06-08	Joss	NF-PM1	B1=1066385
2015-05-26	Joss	NF-PM1	B1=969441
2015-05-22	Joss	NF-PM1	B1=881310
2015-05-07	Joss	NF-PM1	B1=801191
2015-05-04	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-04	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728356
2015-04-08	Joss	NF-PM1	B1=601948
2015-03-14	Joss	NF-PM1	B1=497479
2015-03-06	Joss	NF-PM1	B1=452254
2015-02-22	Joss	NF-PM1	B1=411140
2015-02-11	Joss	NF-PM1	B1=373764
2015-01-09	Joss	NF-PM1	B1=280816
2014-10-01	Joss	NF-PM1	B1=187211
2014-05-04	Joss	NF-PM1	B1=150000
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-09	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-25	Architects Cubed	NF	no factor from 2^60 to 2^61

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