3 752 731 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
2809633037222417772727	22	71.3	2023-07-01 04:53:38

ECM

Digits	B1	Curves
25	50000	79 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Thomas Johansson	C0D28F56249A8F75	0
Verified (Factored)	2000-04-27	Derek Wollenstein	C0D28F56249A8F75	182402

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-07-01	Naegi Makoto	D3A4EC4956E2225C	1	791919	5	3

History

Date	User	Type	Result
2023-07-01	www.hostdrive.com	CERT	PRP Certification Proof certified good
2023-07-01	Naegi Makoto	C-PRP	M3752731/2809633037222417772727 : D3A4EC4956E2225C PRP proof power = 7 PRP: Verified Proof certified good
2023-07-01	Sergey Nosov	F-ECM	Factor: 2809633037222417772727 / (ECM curve 24, B1=50000, B2=5000000)
2023-05-30	Sid & Andy	NF-PM1	B1=8500000, B2=14323628550
2023-02-12	Joss	NF-PM1	B1=1000000, B2=461556480
2022-11-03	Joss	NF-PM1	B1=1000000, B2=130364850
2021-03-23	axn	NF	no factor from 2^69 to 2^70
2020-12-07	axn	NF	no factor from 2^68 to 2^69
2019-02-04	TJAOI	NF	no factor from 2^67 to 2^68
2016-11-07	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-28	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-12-10	mikr	NF-PM1	B1=1600000, B2=66000000, E=12
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-03-17	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2035000, E=6
2012-05-10	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-28	markr	NF	no factor to 2^62
2009-07-07	Carsten Kossendey	NF-PM1	B1=20000, B2=265000
2009-03-02	S485122	NF	no factor from 2^60 to 2^61

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