3 304 607 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
105976458554578849263119	24	76.5	2021-01-26 11:39:37

ECM

Digits	B1	Curves
25	50000	19 / 280

Estimated T-Level: 20.3 ⓘ

TF below 2^63 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Bad		Charles B. Cameron	D6AC607FCB64CDC7	0
Verified (Factored)		George Woltman	083AF9CB27AB8BE0	2522070
Verified (Factored)	1999-06-26	john nowlin	083AF9CB27AB8BE0	77145

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-01-26	mrh	D078AADAECAA3F3E	1	3168941	5	3

History

Date	User	Type	Result
2022-09-12	Joss	NF-PM1	B1=1000000, B2=241152450
2022-04-02	Joss	NF-PM1	B1=1000000, B2=134316000
2021-01-26	ky0uraku	CERT	PRP Certification Proof certified good
2021-01-26	mrh	C-PRP	M3304607/105976458554578849263119 : D078AADAECAA3F3E PRP proof power = 7 PRP: Verified Proof certified good
2021-01-26	daveward2005	F-ECM	Factor: 105976458554578849263119 / (ECM curve 4, B1=50000, B2=5000000, Sigma=4828557877499275)
2020-01-26	mikr	NF-PM1	B1=4000000, B2=150000000, E=12
2018-12-10	TJAOI	NF	no factor from 2^67 to 2^68
2018-08-11	Joss	NF-PM1	B1=410000, B2=4100000
2018-08-08	Joss	NF-PM1	B1=410000, B2=2050000
2018-08-08	Joss	NF-PM1	B1=410000, B2=1640000
2018-08-07	Joss	NF-PM1	B1=410000, B2=1230000
2018-08-06	Joss	NF-PM1	B1=410000, B2=820000
2017-02-21	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-29	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-11-14	Squeeky_Squirrel	NF-PM1	B1=205000, B2=4612500, E=6
2012-08-25	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-09-29	USAFSS	NF-PM1	B1=55000, B2=880000, E=6
2011-09-10	markr	NF	no factor to 2^62
2009-07-03	Carsten Kossendey	NF-PM1	B1=15000, B2=195000
2009-03-30	S485122	NF	no factor from 2^60 to 2^61

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