Factorization of 2,736+.c172

xilman · 2005-10-05, 20:44

This appeared a bit over an hour ago:

Code:

Factorization completed after 13055.24 seconds, at Wed Oct  5 20:10:56 2005
Original number had 172 digits:
7938091244694925741984892973165126757592523161046105674994298577996894177307666144988943955121749288322120210495574375010393630468910125646457383721286909804699246437650049
Probable prime factor 1 has 85 digits:
2581126261168515842568515186820240654583079937025463189245875897945938699497995409153
Probable prime factor 2 has 88 digits:
3075437015274575861629846208967376402116434001119205469150681845254404881295116685916033

That completes the factorization of 2⁷³⁶+1. On behalf of the NFSNET admin team I would like to thank all the contributors for their efforts in enabling the factors to be found.

Paul

trilliwig · 2005-10-06, 01:17

Nice-sized split, congratulations!

PBMcL · 2005-10-06, 04:32

Has 2,751+ been completed yet? The sieving was finished more than two months ago.

wreck · 2005-10-09, 01:07

I find the result in
http://homes.cerias.purdue.edu/~ssw/cun/page99

5260 2, 751+ c166 122269977610153309000355351658957538156537442215013457649. p110 NFSNET"

PBMcL · 2005-10-09, 05:52

Quote:

Originally Posted by wreck

I find the result in
http://homes.cerias.purdue.edu/~ssw/cun/page99

5260 2, 751+ c166 122269977610153309000355351658957538156537442215013457649. p110 NFSNET"

Many thanks!

2005-10-09, 01:07	#4
wreck "Bo Chen" Oct 2005 Wuhan,China 2³·3·7 Posts	5260 2, 751+ c166 I find the result in http://homes.cerias.purdue.edu/~ssw/cun/page99 5260 2, 751+ c166 122269977610153309000355351658957538156537442215013457649. p110 NFSNET"

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
Team sieve #23: c172 from 4788:i2617	schickel	Aliquot Sequences	64	2011-02-19 02:28
ECM work on 4788:i2617 c172	schickel	Aliquot Sequences	42	2011-01-23 08:35
Factorization of 7,254+	dleclair	NFSNET Discussion	1	2006-03-21 05:11
Factorization of 11,212+	Wacky	NFSNET Discussion	1	2006-03-20 23:43
Factorization of 5,307-	Jeff Gilchrist	NFSNET Discussion	7	2005-02-23 19:46

2005-10-06, 01:17	#2
trilliwig Oct 2004 tropical Massachusetts 3×23 Posts	Nice-sized split, congratulations!

2005-10-06, 04:32	#3
PBMcL Jan 2005 2·31 Posts	Has 2,751+ been completed yet? The sieving was finished more than two months ago.