3 511 301 Exponent Status

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
22021632637109351943863	23	74.2	2021-05-06 23:40:43

ECM

Digits	B1	Curves
25	50000	16 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Frederick D. Mackie	6C0719000AF0AF71	0
Verified (Factored)	1999-07-27	Brian Doherty	6C0719000AF0AF71	1855546

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2021-05-08	kutens	7D715889E23E895B	1	1271780	5	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=233218440
2022-04-24	Joss	NF-PM1	B1=1000000, B2=145208700
2021-05-08	curtisc	CERT	PRP Certification Proof certified good
2021-05-08	kutens	C-PRP	M3511301/22021632637109351943863 : 7D715889E23E895B PRP proof power = 7 PRP: Verified Proof certified good
2021-05-06	Zenzoma	F-ECM	Factor: 22021632637109351943863 / (ECM curve 1, B1=50000, B2=5000000, Sigma=303534217247350)
2021-03-18	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-03-16	-Anonymous-	NF	no factor from 2^70 to 2^71
2021-03-16	-Anonymous-	NF	no factor from 2^69 to 2^70
2021-01-16	axn	NF	no factor from 2^68 to 2^69
2018-12-10	TJAOI	NF	no factor from 2^67 to 2^68
2017-01-07	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-03-04	ramgeis	NF	no factor from 2^65 to 2^66
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
2015-01-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-06-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-11-11	markr	NF-PM1	B1=235000, B2=5875000, E=12
2011-07-10	markr	NF	no factor from 2^61 to 2^62
2009-07-06	Carsten Kossendey	NF-PM1	B1=20000, B2=240000
2009-03-21	Jayson King	NF	no factor from 2^60 to 2^61

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