20121121, 23:29  #1 
Aug 2010
Kansas
547 Posts 
On Fermat's Last Number

20121122, 08:12  #2 
"Tapio Rajala"
Feb 2010
Finland
315_{10} Posts 

20121122, 14:45  #3 
Aug 2010
Kansas
1043_{8} Posts 

20121122, 15:01  #4 
"Tapio Rajala"
Feb 2010
Finland
13B_{16} Posts 

20121122, 15:26  #5 
Aug 2010
Kansas
547_{10} Posts 

20121122, 15:47  #6 
"Nancy"
Aug 2002
Alexandria
2,467 Posts 
Not a counterexample, c10ck3r, as F24 is not the or a last Fermat number.

20121123, 22:56  #7 
Aug 2010
Kansas
547 Posts 
Yes, but they continue to grow exponentially, no?

20121123, 23:22  #8 
"Nancy"
Aug 2002
Alexandria
2,467 Posts 
Yes, doublyexponentially in the index, in fact!

20121123, 23:44  #9 
Aug 2010
Kansas
547 Posts 
so, 5050446*2^x> 42, when x>1

20121126, 12:07  #10 
"Nancy"
Aug 2002
Alexandria
4643_{8} Posts 
This is correct for every integer x > 1, but not for the last one.

20121128, 21:53  #11 
"Åke Tilander"
Apr 2011
Sandviken, Sweden
2·283 Posts 
I think "42" is the answer to the question of the meaning of life and everything in The Hitchhiker's Guide to the Galaxy, maybe that's what rajula is referring to?

Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Number 59649589127497217 is a factor of Fermat number F7  literka  Miscellaneous Math  73  20131117 10:33 
Fermat number F6=18446744073709551617 is a composite number. Proof.  literka  Factoring  5  20120130 12:28 
Fermat number factors  Citrix  Math  35  20070123 23:17 
Closed form solution of x^2 = 2 mod Fermat number  mpenguin  Factoring  10  20050929 07:46 
New Fermat number divisor!  ET_  Factoring  1  20041008 03:34 