
Algebra PreAlgebra and Basic Algebra Math Forum 
 LinkBack  Thread Tools  Display Modes 
January 7th, 2012, 01:36 AM  #1 
Newbie Joined: Jan 2012 Posts: 1 Thanks: 0  Prime factorization and Stirling number
Hi, I am new to this forum. My question: In how many ways can the number 10395 be factored in two or more factors, each greater than 1, with no regard to the order of factors? (10395 = 3 * 5 * 7 * 9 * 11) It would have been easy if each number been a different prime number; that is just the Stirling number, but what to do now? Cheers 
January 13th, 2012, 05:49 AM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,472 Thanks: 2039 
Try reading about Bell numbers.


Tags 
factorization, number, prime, stirling 
Search tags for this page 
Click on a term to search for related topics.

Thread Tools  
Display Modes  

Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
prime factorization PLEASE HELP  sophieT66  Elementary Math  1  December 1st, 2010 01:18 PM 
Prime Factorization  sis3  Number Theory  1  September 20th, 2010 07:49 PM 
Unsigned Stirling Number's of the First Kind Recurrence  Singularity  Number Theory  1  November 2nd, 2009 06:11 AM 
Efficient Prime Factorization  ezgigurkan  Number Theory  4  July 17th, 2008 05:12 AM 
Prime Factorization  sis3  Abstract Algebra  0  December 31st, 1969 04:00 PM 