1 722 607 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
139668332624204976377037601	27	86.9	2015-08-24 03:41:31

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)		Halfdan Ingvarsson	800B0F0C5CB905F5	0
Verified (Factored)	1998-11-28	Anthony Straight	800B0F0C5CB905F5	984431
Verified (Factored)	2015-07-18	MadPoo	800B0F0C5CB905F5	125916

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-03	Oliver Kruse	97A57E72098C3A99	1	0	1	3
Verified	2017-11-03	ATH	97A57E72098C3A99	1	1053830	1	3

P-1 factors

Date	Factor	B1	B2
2015-08-24	139668332624204976377037601	3642200	123456789

History

Date	User	Type	Result
2017-11-03	ATH	C-PRP	M1722607/139668332624204976377037601 : 97A57E72098C3A99 PRP: Verified PRP without proof (not generated)
2017-10-03	Oliver Kruse	C-PRP	M1722607/139668332624204976377037601 : 97A57E72098C3A99 PRP: Verified PRP without proof (not generated)
2015-08-24	mikr	F-PM1	Factor: 139668332624204976377037601 / (P-1, B1=3642200, B2=123456789, E=12)
2015-07-24	Joss	NF-PM1	B1=1561704
2015-07-21	Joss	NF-PM1	B1=1419731
2015-07-18	MadPoo	C-LL	800B0F0C5CB905F5
2015-07-07	Joss	NF-PM1	B1=1290665
2015-06-25	Joss	NF-PM1	B1=1173332
2015-06-08	Joss	NF-PM1	B1=1066666
2015-05-26	Joss	NF-PM1	B1=969697
2015-05-22	Joss	NF-PM1	B1=881543
2015-05-07	Joss	NF-PM1	B1=801403
2015-05-03	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-03	snme2pm1	NF	no factor from 2^63 to 2^64
2015-05-01	Joss	NF-PM1	B1=728549
2015-04-08	Joss	NF-PM1	B1=602108
2015-03-14	Joss	NF-PM1	B1=497610
2015-03-06	Joss	NF-PM1	B1=452373
2015-02-22	Joss	NF-PM1	B1=411249
2015-02-11	Joss	NF-PM1	B1=373863
2015-01-09	Joss	NF-PM1	B1=280890
2014-10-07	Joss	NF-PM1	B1=187260
2014-05-04	Joss	NF-PM1	B1=150000
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-08	Carsten Kossendey	NF-PM1	B1=90000, B2=1507500, E=6
2010-10-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-24	Architects Cubed	NF	no factor from 2^60 to 2^61

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