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2017-01-07, 11:42   #1541
henryzz
Just call me Henry

"David"
Sep 2007
Cambridge (GMT/BST)

2·2,897 Posts

Quote:
 Originally Posted by fivemack releasing 218420 (2^3 · 3^3 · 5^2 · C157) I can't imagine anyone's going to want to pick that one up any time soon
Doesn't it have potential to change power of 2 next iteration?

2017-01-07, 13:53   #1542
axn

Jun 2003

484410 Posts

Quote:
 Originally Posted by henryzz Doesn't it have potential to change power of 2 next iteration?
No. 3^3 is sufficient to keep 2^3. If it was 3^2 ...

2017-01-07, 16:26   #1543
Dubslow

"Bunslow the Bold"
Jun 2011
40<A<43 -89<O<-88

3×29×83 Posts

Quote:
 Originally Posted by henryzz Doesn't it have potential to change power of 2 next iteration?
$$\tau(3^3) = 3$$ (versus normally $$\tau(3) = 2$$) so the class is effectively 0, even without the contribution of the 5 -- unbreakable.

Last fiddled with by Dubslow on 2017-01-07 at 16:26

 2017-01-08, 12:25 #1544 fivemack (loop (#_fork))     Feb 2006 Cambridge, England 6,379 Posts Take 666930
 2017-01-11, 03:44 #1545 EdH     "Ed Hall" Dec 2009 Adirondack Mtns 3·1,181 Posts releasing 684816 reserving 459828
 2017-01-15, 14:38 #1546 henryzz Just call me Henry     "David" Sep 2007 Cambridge (GMT/BST) 132428 Posts Just had to add more posts yet again. Now taking over a minute to update all the posts.
 2017-01-22, 17:48 #1547 EdH     "Ed Hall" Dec 2009 Adirondack Mtns 3·1,181 Posts reserving 700700
 2017-01-24, 20:50 #1548 EdH     "Ed Hall" Dec 2009 Adirondack Mtns 3×1,181 Posts releasing 459828
 2017-01-26, 08:42 #1549 fivemack (loop (#_fork))     Feb 2006 Cambridge, England 637910 Posts drop 281190 (C142, 4000@3e6 done) (this is a bit sad, factors went 1111 2^2 * 3^3 1112 2^2 * 3^2 1113 2^2 * 11 1114 2^2 * P66 1115 2^2 * 3^4 1116 2^2 * 3^2 so it lost a persistent power of three for precisely two iterations)
 2017-01-28, 01:17 #1550 EdH     "Ed Hall" Dec 2009 Adirondack Mtns 3×1,181 Posts reserving 733866
 2017-01-29, 04:21 #1551 EdH     "Ed Hall" Dec 2009 Adirondack Mtns 3×1,181 Posts releasing 700700

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