615 019 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
9608766942902829128495833	25	83.0	2022-09-15 02:29:11

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	267 / 640

Estimated T-Level: 27.1 ⓘ

TF below 2^85 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	3716	0
Verified (Factored)		Paul McJones	7B401D572876F716	0
Verified (Factored)		Brian J. Beesley	7B401D572876F716	0
Verified (Factored)	2015-04-11	MadPoo	7B401D572876F716	592615

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-09-15	masser	78C07DEAE92A9CBD	1	21547	5	3
Verified	2022-09-15	LordJulius	78C07DEAE92A9CBD	1	359465	5	3

P-1 factors

Date	Factor	B1	B2
2022-09-15	9608766942902829128495833	53000000	826050675450

History

Date	User	Type	Result
2022-09-15	daekaz	CERT	PRP Certification Proof certified good
2022-09-15	LordJulius	C-PRP	M615019/9608766942902829128495833 : 78C07DEAE92A9CBD PRP proof power = 6 PRP: Verified Proof certified good
2022-09-15	Tom Dickens	CERT	PRP Certification Proof certified good
2022-09-15	masser	C-PRP	M615019/9608766942902829128495833 : 78C07DEAE92A9CBD PRP proof power = 6 PRP: Verified Proof certified good
2022-09-15	masser	F-PM1	Factor: 9608766942902829128495833 / (P-1, B1=53000000, B2=826050675450)
2022-08-25	masser	NF-PP1	Start=2/7, B1=5300000, B2=233200000
2018-10-08	Smok_bmv	NF	no factor from 2^68 to 2^69
2018-10-08	Smok_bmv	NF	no factor from 2^67 to 2^68
2018-10-08	Smok_bmv	NF	no factor from 2^66 to 2^67
2017-07-10	Smok_bmv	NF	no factor from 2^65 to 2^66
2017-06-19	Smok_bmv	NF	no factor from 2^64 to 2^65
2015-11-06	Sid & Andy	NF-PM1	B1=6150190, B2=184505700, E=12
2015-10-22	Bruno Victal	NF-PM1	B1=1600000, B2=66000000, E=12
2015-10-02	Gordon Spence	NF	no factor from 2^63 to 2^64
2015-10-01	Gordon Spence	NF	no factor from 2^62 to 2^63
2015-07-19	NR	NF	no factor from 2^61 to 2^62
2015-04-11	MadPoo	C-LL	7B401D572876F716
2013-10-19	David Campeau	NF-PM1	B1=1270000, B2=40640000, E=12
2012-08-01	Joss	NF-PM1	B1=1230038
2012-03-10	Joss	NF-PM1	B1=779950
2011-08-31	Joss	NF-PM1	B1=623960
2011-07-10	Joss	NF-PM1	B1=374376
2010-08-14	Architects Cubed	NF	no factor from 2^60 to 2^61
2008-10-13	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-13	Sturle Sunde	NF	no factor from 2^58 to 2^59

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