1 736 677 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
23791804266470865845969729	26	84.3	2022-07-31 20:43:14

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)		Andrew Churchill	D89E80EBB60DC30E	0
Verified (Factored)	1998-12-13	Robert Mutschler	D89E80EBB60DC30E	1320190
Verified (Factored)	2015-07-18	MadPoo	D89E80EBB60DC30E	1619444

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-08-01	LordJulius	557CFFB57BD5399F	1	708594	5	3

History

Date	User	Type	Result
2022-08-01	Gerard	CERT	PRP Certification Proof certified good
2022-08-01	LordJulius	C-PRP	M1736677/23791804266470865845969729 : 557CFFB57BD5399F PRP proof power = 7 PRP: Verified Proof certified good
2022-07-31	masser	F-PP1	Start=99/67, B1=1700000, Factor: 23791804266470865845969729
2019-06-17	TJAOI	NF	no factor from 2^67 to 2^68
2018-10-17	Joss	NF-PM1	B1=1736677, B2=191034470, E=12
2018-09-17	Joss	NF-PM1	B1=1736677, B2=173667700, E=12
2018-04-02	TJAOI	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-09-04	ramgeis	NF	no factor from 2^65 to 2^66
2015-07-18	MadPoo	C-LL	D89E80EBB60DC30E
2015-05-05	snme2pm1	NF	no factor from 2^64 to 2^65
2015-05-05	snme2pm1	NF	no factor from 2^63 to 2^64
2015-04-07	mikr	NF-PM1	B1=2732000, B2=102000000, E=12
2014-12-02	Joss	NF-PM1	B1=210874
2014-09-10	Joss	NF-PM1	B1=173916
2014-05-06	Joss	NF-PM1	B1=136958
2014-04-04	Joss	NF-PM1	B1=100000
2011-02-07	Carsten Kossendey	NF-PM1	B1=95000, B2=1543750, E=6
2010-11-18	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-23	Architects Cubed	NF	no factor from 2^60 to 2^61

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