3 863 911 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
58788072366038091617257	23	75.6	2021-03-19 13:32:50

ECM

Digits	B1	Curves
25	50000	12 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Jarto Tarpio	A4AB1CBC8A74017F	0
Verified (Factored)	2000-01-19	Jeff Johnson	A4AB1CBC8A74017F	668508

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-03-19	mrh	7BB057F04028A7C1	1	2542194	5	3

P-1 factors

Date	Factor	B1	B2
2021-03-19	58788072366038091617257	15000000	750000000

History

Date	User	Type	Result
2022-05-25	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-03	Joss	NF-PM1	B1=90000
2021-03-19	Ben Delo	CERT	PRP Certification Proof certified good
2021-03-19	mrh	C-PRP	M3863911/58788072366038091617257 : 7BB057F04028A7C1 PRP proof power = 7 PRP: Verified Proof certified good
2021-03-19	axn	F-PM1	Factor: 58788072366038091617257 / (P-1, B1=15000000, B2=750000000)
2020-10-26	TJAOI	NF	no factor from 2^68 to 2^69
2019-01-25	Yxinity	NF	no factor from 2^67 to 2^68
2017-03-31	Squeeky_Squirrel	NF-PM1	B1=240000, B2=7200000, E=12
2016-11-24	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-28	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-26	Joss	NF-PM1	B1=229996, B2=2299960, E=6
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-01-14	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-14	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-10-22	Joss	NF-PM1	B1=86611
2012-02-29	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-10-20	Squeeky_Squirrel	NF-PM1	B1=70000, B2=1137500, E=6
2011-02-22	markr	NF	no factor from 2^61 to 2^62
2009-07-28	Carsten Kossendey	NF-PM1	B1=20000, B2=275000
2009-02-24	S485122	NF	no factor from 2^60 to 2^61

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