2 563 633 Exponent Status

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
10697340368800398304513230316273	32	103.1	2016-05-11 02:14:22

P-1 factors

Date	Factors	B1	B2
2016-05-11	10697340368800398304513230316273	3200000	112000000

ECM

Digits	B1	Curves
25	50000	110 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift	Software
Factored	1998-02-08	Adams Douglas	ACB805814CD95693	0	Windows,Prime95,v13,(aka WP1)
Factored	1998-03-17	Mark Gorbics	ACB805814CD95693	0	Windows,Prime95,v15,(aka WR1)
Factored	1999-04-13	James Griffin	ACB805814CD95693	2447043	Windows,Prime95,v18,(aka WU1)

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-15	Oliver Kruse	E8F79612DBF1F47C	1	1135204	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	E8F79612DBF1F47C	1	2340013	5	3

History

Date	User	Type	Result
2017-12-01	storm5510	C-PRP	M2563633/10697340368800398304513230316273 : E8F79612DBF1F47C
2017-10-15	Oliver Kruse	C-PRP	M2563633/10697340368800398304513230316273 : E8F79612DBF1F47C
2016-05-11	mikr	F-PM1	Factor: 10697340368800398304513230316273 / B1=3200000, B2=112000000
2016-02-23	Mark Rose	NF	no factor TF: 59-60
2015-11-08	ramgeis	NF	no factor TF: 65-66
2015-02-23	VictordeHollander	NF	no factor TF: 64-65
2015-02-23	VictordeHollander	NF	no factor TF: 63-64
2013-01-23	dbaugh	NF	no factor TF: 62-63
2012-06-17	Sebastian Hornbostel	NF	no factor TF: 61-62
2011-04-14	James Heinrich	NF-PM1	B1=175000, B2=4112500, E=6
2011-01-10	Joss	NF-PM1	B1=50000
2011-01-03	Joss	NF-PM1	B1=30000
2010-12-21	Joss	NF-PM1	B1=20000
2009-01-31	Sturle Sunde	NF	no factor TF: 60-61
2003-11-08	Team Prime Rib	NF-PM1	B1=15000, B2=198750
2003-10-23	-anonymous-	NF-PM1	B1=2048, B2=204800
1999-04-13	JG12	C-LL	ACB805814CD95693
1999-03-15	JG12	NF	no factor TF: 1-59
1998-03-17	-anonymous-	C-LL	ACB805814CD95693
1998-02-08	-anonymous-	NF	no factor TF: 1-58
1998-02-08	-anonymous-	C-LL	ACB805814CD95693

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