20100225, 01:08  #1 
Jul 2009
Hobart, Australia
11 Posts 
646730219521 Divides F19
This is a smaller factor than I would have anticipated.
646 Billion 730 Million 219 Thousand 521 ECM found a factor in curve #1, stage #1 Sigma=3460786319450698, B1=3000000, B2=300000000. UID: Buckle/G801, F19 has a factor: 646730219521, AID: A5CC03C1F2227056DE35CDEAC3E17011 David Bessell (No relation to Uncle Friedrich) Last fiddled with by Buckle on 20100225 at 02:08 
20100225, 01:25  #2 
"Mark"
Apr 2003
Between here and the
2^{2}×19×83 Posts 
This is a known factor equivalent to 308385*2^21+1.

20100225, 02:12  #3 
Jul 2009
Hobart, Australia
11 Posts 
Ooops
sorry
typo in the "work to do" file Last fiddled with by Buckle on 20100225 at 02:12 
20100225, 04:08  #4 
"Mark"
Apr 2003
Between here and the
14244_{8} Posts 

20100225, 10:29  #5 
Banned
"Luigi"
Aug 2002
Team Italia
2·29·83 Posts 

20100327, 01:08  #6 
Jun 2005
lehigh.edu
10000000000_{2} Posts 
Nice suggestion! The F22 factor is p35? Also GIMPS ecm, as above? Bruce
(no google hits for the factor, not even the forum post.) update: Code:
1 Buckle 15540.872 7626 2  2 James Hintz 2529.371 2881 0  3 eteo 2259.553 67 0  4 Tapio Rajala 2125.422 770 1  1 appeared to be a law firm listing in .au, for what it's worth. Last fiddled with by bdodson on 20100327 at 01:19 
20100328, 02:21  #7 
Bemusing Prompter
"Danny"
Dec 2002
California
100101001110_{2} Posts 

20100329, 22:56  #8  
Jul 2009
Hobart, Australia
11 Posts 
Quote:
The law firm is Page Seager and another David Bessell works there. Coincidentally PS is situated about 200 metres down the road from St Michael's Collegiate where I work. 

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
"Divides Phi" category  Batalov  And now for something completely different  45  20200603 18:00 
p^n  1 divides p^m  1 ==> n divides m  jinydu  Homework Help  10  20080806 19:17 