1 943 923 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
4750434296172905590567	22	72.0	2020-09-01 22:48:10

ECM

Digits	B1	Curves
25	50000	263 / 280

Estimated T-Level: 24.7 ⓘ

TF below 2^77 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Mischa Kenn	D2BA61FC6C97D9C8	0
Verified (Factored)	1999-03-01	Phil Brett	D2BA61FC6C97D9C8	960677
Verified (Factored)	2015-06-27	MadPoo	D2BA61FC6C97D9C8	593383

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-09-02	M Miller	EB71EA05A0185038	1	1593704	5	3

History

Date	User	Type	Result
2020-09-02	Ben Delo	CERT	PRP Certification Proof certified good
2020-09-02	M Miller	C-PRP	M1943923/4750434296172905590567 : EB71EA05A0185038 PRP proof power = 7 PRP: Verified Proof certified good
2020-09-01	GAN	F-ECM	Factor: 4750434296172905590567 / (ECM curve 2, B1=50000, B2=5000000, Sigma=2902204044124704)
2019-05-11	chuenkit	NF	no factor from 2^67 to 2^68
2018-09-17	Joss	NF-PM1	B1=1943923, B2=194392300, E=12
2018-02-28	Joss	NF-PM1	B1=1943923, B2=113248640, E=12
2018-02-11	Joss	NF-PM1	B1=1943923, B2=56624320, E=12
2018-02-04	Joss	NF-PM1	B1=1943923, B2=28312160, E=12
2017-10-27	TJAOI	NF	no factor from 2^66 to 2^67
2017-04-12	Joss	NF-PM1	B1=1415608, B2=14156080, E=12
2017-01-04	Joss	NF-PM1	B1=983062
2016-12-24	Joss	NF-PM1	B1=819219
2016-12-16	Joss	NF-PM1	B1=682683
2016-12-15	Joss	NF-PM1	B1=568903
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^61 to 2^62
2015-10-08	Bruno Victal	NF-PM1	B1=500000, B2=15000000, E=12
2015-09-06	ramgeis	NF	no factor from 2^65 to 2^66
2015-06-27	MadPoo	C-LL	D2BA61FC6C97D9C8
2015-05-04	lycorn	NF	no factor from 2^64 to 2^65
2015-05-04	lycorn	NF	no factor from 2^63 to 2^64
2011-12-12	markr	NF-PM1	B1=275000, B2=6000000, E=12
2011-08-27	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-01-25	S485122	NF	no factor from 2^60 to 2^61

Username
Password