571 199 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2514325359963630685391899216978801	34	111.0	2022-12-01 04:19:00

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	391 / 640

Estimated T-Level: 28.1 ⓘ

TF below 2^88 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	1769	0
Verified (Factored)		Olaf Kortlueke	D4FBF90DBFF4D769	0
Verified (Factored)		Klaus Kastens	D4FBF90DBFF4D769	316565
Verified (Factored)	2015-04-11	MadPoo	D4FBF90DBFF4D769	69047

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-12-01	masser	F3C5528F0B953683	1	80639	5	3

History

Date	User	Type	Result
2022-12-13	USAFSS	NF-PM1	B1=1750000, B2=5417291880
2022-12-01	curtisc	CERT	PRP Certification Proof certified good
2022-12-01	masser	C-PRP	M571199/2514325359963630685391899216978801 : F3C5528F0B953683 PRP proof power = 6 PRP: Verified Proof certified good
2022-12-01	masser	F-PP1	Start=2/7, B1=16000000, B2=896000000, Factor: 2514325359963630685391899216978801
2022-11-29	masser	NF-PP1	Start=6/5, B1=8000000, B2=384000000
2022-11-28	masser	NF-PP1	Start=149/71, B1=4000000, B2=164000000
2022-11-22	Joss	NF-PM1	B1=1473125, B2=10092332250
2022-04-10	Gordon Spence	NF	no factor from 2^67 to 2^68
2022-03-07	LordJulius	NF	no factor from 2^54 to 2^55
2020-03-11	Yxinity	NF	no factor from 2^66 to 2^67
2019-04-16	alex	NF-PM1	B1=10000000, B2=400000000, E=12
2018-06-04	chuenkit	NF	no factor from 2^65 to 2^66
2017-08-22	Conductor	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
2015-09-15	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-09-15	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-12	NR	NF	no factor from 2^61 to 2^62
2015-04-23	Sid & Andy	NF-PM1	B1=5711990, B2=171359700, E=12
2015-04-11	MadPoo	C-LL	D4FBF90DBFF4D769
2013-09-28	David Campeau	NF-PM1	B1=1045000, B2=32395000, E=12
2012-03-05	Joss	NF-PM1	B1=858399
2011-08-24	Joss	NF-PM1	B1=686719
2011-07-01	Joss	NF-PM1	B1=412031

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