1 157 773 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
43314780401454647096498323157948137243102087	44	145.0	2023-02-15 18:30:30

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 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)		David Slowinski	114D	0
Verified (Factored)		David Willmore	8781D18322C7F14D	0
Verified (Factored)		David Tegerdine	8781D18322C7F14D	0
Verified (Factored)	2015-11-11	MadPoo	8781D18322C7F14D	595761

Status	Date	User	Residue	Shift	Type	Base
Verified (Factored)	2020-11-05	Ethan O'Connor	AB293316035207C4	827746	1	3

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-02-15	SRJ2877	AB293316035207C4	1	387524	5	3

P-1 factors

Date	Factor	B1	B2
2023-02-15	43314780401454647096498323157948137243102087	2929412	5835686220

History

Date	User	Type	Result
2023-02-15	curtisc	CERT	PRP Certification Proof certified good
2023-02-15	SRJ2877	C-PRP	M1157773/43314780401454647096498323157948137243102087 : AB293316035207C4 PRP proof power = 6 PRP: Verified Proof certified good
2023-02-15	Joss	F-PM1	Factor: 43314780401454647096498323157948137243102087 / (P-1, B1=2929412, B2=5835686220)
2023-01-17	Joss	NF-PM1	B1=2929412, B2=2099593860
2021-09-21	MadPoo	NF	no factor from 2^68 to 2^69
2020-11-05	curtisc	CERT	PRP Certification CERT proof power = 6 Proof certified good
2020-11-05	Ethan O'Connor	C-PRP	AB293316035207C4 PRP proof power = 6 PRP: Verified (Factored) Proof certified good
2020-02-29	Gordon Spence	NF	no factor from 2^67 to 2^68
2018-08-15	Yxinity	NF	no factor from 2^66 to 2^67
2017-10-29	mikr	NF-PM1	B1=15000000, B2=500000000, E=12
2016-02-28	Joss	NF-PM1	B1=2909412, B2=52369416, E=12
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-11-11	MadPoo	C-LL	8781D18322C7F14D
2015-08-28	omylist	NF	no factor from 2^65 to 2^66
2014-12-30	lycorn	NF	no factor from 2^64 to 2^65
2014-12-28	Matthias Wurtinger	NF	no factor from 2^63 to 2^64
2012-10-11	dbaugh	NF	no factor from 2^62 to 2^63
2012-02-04	markr	NF-PM1	B1=500000, B2=10000000, E=12
2011-05-09	Xyzzy	NF	no factor from 2^61 to 2^62
2009-02-15	Sturle Sunde	NF	no factor from 2^60 to 2^61

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