583 753 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
195662334094522744844991007	27	87.3	2020-08-27 08:58:39

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	200 / 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	1B98	0
Verified (Factored)		Joel Smith	0D5903B19C511B98	0
Verified (Factored)		Brian J. Beesley	0D5903B19C511B98	0
Verified (Factored)	2015-04-11	MadPoo	0D5903B19C511B98	56832

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-08-27	mnd9	383BD1978E78EC1A	1	411499	5	3
Verified	2020-08-29	ViliamF	383BD1978E78EC1A	1	467300	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-08-29	Ben Delo	CERT	PRP Certification Proof certified good
2020-08-29	ViliamF	C-PRP	M583753/195662334094522744844991007 : 383BD1978E78EC1A PRP proof power = 6 PRP: Verified Proof certified good
2020-08-27	mnd9	C-PRP	M583753/195662334094522744844991007 : 383BD1978E78EC1A PRP: Verified PRP without proof (small exponent)
2020-08-27	nordi	F-ECM	Factor: 195662334094522744844991007 / (ECM curve 59, B1=250000, B2=25000000, Sigma=3427039141372274)
2020-02-20	Yxinity	NF	no factor from 2^66 to 2^67
2019-04-29	alex	NF-PM1	B1=10000000, B2=400000000, E=12
2018-06-04	chuenkit	NF	no factor from 2^65 to 2^66
2017-11-13	BloodERazor	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^61
2016-02-23	Mark Rose	NF	no factor from 2^58 to 2^60
2015-09-04	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-09-04	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-12	NR	NF	no factor from 2^61 to 2^62
2015-04-18	Sid & Andy	NF-PM1	B1=5837530, B2=175125900, E=12
2015-04-11	MadPoo	C-LL	0D5903B19C511B98
2013-09-28	David Campeau	NF-PM1	B1=1020000, B2=31620000, E=12
2012-03-05	Joss	NF-PM1	B1=834540
2011-08-24	Joss	NF-PM1	B1=667632
2011-07-01	Joss	NF-PM1	B1=400579

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