573 851 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
1544960751860681271073683793	28	90.3	2020-11-08 12:41:17

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	201 / 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	120B	0
Verified (Factored)		Ken Kriesel	74B5EE8CE24BD20B	0
Verified (Factored)		Klaus Kastens	74B5EE8CE24BD20B	26117
Verified (Factored)	2015-04-11	MadPoo	74B5EE8CE24BD20B	32499

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-11-09	mnd9	C1FB1575AFC80D5A	1	480709	5	3
Verified	2020-11-10	arnaud	C1FB1575AFC80D5A	1	407793	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-11-20	PED	CERT	PRP Certification Proof certified good
2020-11-10	curtisc	CERT	PRP Certification Proof certified good
2020-11-10	arnaud	C-PRP	M573851/1544960751860681271073683793 : C1FB1575AFC80D5A PRP proof power = 6 PRP: Verified Proof certified good
2020-11-09	mnd9	C-PRP	M573851/1544960751860681271073683793 : C1FB1575AFC80D5A PRP proof power = 6 PRP: Verified Proof certified good
2020-11-08	storm5510	F-ECM	Factor: 1544960751860681271073683793 / (ECM curve 6, B1=250000, B2=25000000, Sigma=3382465195143985)
2020-03-06	Yxinity	NF	no factor from 2^66 to 2^67
2018-06-04	chuenkit	NF	no factor from 2^65 to 2^66
2017-11-16	BloodERazor	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^61
2015-09-17	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-09-17	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-12	NR	NF	no factor from 2^61 to 2^62
2015-04-11	MadPoo	C-LL	74B5EE8CE24BD20B
2014-02-09	c10ck3r	NF-PM1	B1=10000000, B2=250000000, E=12
2013-09-27	David Campeau	NF-PM1	B1=1040000, B2=32240000, E=12
2012-03-05	Joss	NF-PM1	B1=853259
2011-08-24	Joss	NF-PM1	B1=682607
2011-07-01	Joss	NF-PM1	B1=409564

Username
Password