746 107 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

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

Factored

Factor	Digits	Bits	Date
142033587586045547693689743564409	33	106.8	2023-04-08 22:46:10

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	203 / 640

Estimated T-Level: 26.6 ⓘ

TF below 2^83 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	2817	0
Verified (Factored)		Ken Kriesel	E666F24709656817	0
Verified (Factored)	2002-10-19	S57483	E666F24709656817	485092
Verified (Factored)	2015-04-11	MadPoo	E666F24709656817	94167

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-04-08	masser	4339960BD1330FDA	1	685837	5	3

History

Date	User	Type	Result
2023-04-28	masser	NF-PP1	Start=6/5, B1=7000000, B2=336000000
2023-04-09	curtisc	CERT	PRP Certification Proof certified good
2023-04-08	masser	C-PRP	M746107/142033587586045547693689743564409 : 4339960BD1330FDA PRP proof power = 6 PRP: Verified Proof certified good
2023-04-08	masser	F-PP1	Start=151/23, B1=7000000, B2=322000000, Factor: 142033587586045547693689743564409
2023-04-08	masser	NF-PP1	Start=2/7, B1=7000000, B2=336000000
2022-05-05	lycorn	NF-PM1	B1=7600000, B2=1203456454200
2022-03-22	Gordon Spence	NF	no factor from 2^67 to 2^68
2020-05-15	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-10-09	Smok_bmv	NF	no factor from 2^65 to 2^66
2016-04-08	lycorn	NF	no factor from 2^64 to 2^65
2015-11-22	Sid & Andy	NF-PM1	B1=7461070, B2=223832100, E=12
2015-10-20	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-10-20	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-04-11	MadPoo	C-LL	E666F24709656817
2015-03-05	NR	NF	no factor from 2^61 to 2^62
2013-10-27	David Campeau	NF-PM1	B1=1520000, B2=51680000, E=12
2012-07-14	Joss	NF-PM1	B1=1492214
2011-10-22	Joss	NF-PM1	B1=971373
2011-08-15	Joss	NF-PM1	B1=485686
2011-06-21	Joss	NF-PM1	B1=400000
2010-05-31	Architects Cubed	NF	no factor from 2^60 to 2^61
2008-10-12	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-11	Sturle Sunde	NF	no factor from 2^58 to 2^59

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