Results 1 to 2 of 2

Math Help - Factoring Special Expressions

  1. #1
    Newbie
    Joined
    Mar 2008
    Posts
    12

    Factoring Special Expressions

    Last edited by milfner; May 5th 2008 at 08:42 PM.
    Follow Math Help Forum on Facebook and Google+

  2. #2
    Global Moderator

    Joined
    Nov 2005
    From
    New York City
    Posts
    10,616
    Thanks
    9
    \gcd(a^n-1,a^m -1)\text{lcm}(a^n-1,a^m-1) = (a^n-1)(a^m-1).
    Thus, \text{lcm}(a^n-1,a^m-1)|(a^n-1).
    But, (a^n-1)|( a^{\text{lcm}(n,m)}-1).
    Thus, the proof follows.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. factoring with Special Products
    Posted in the Algebra Forum
    Replies: 1
    Last Post: September 19th 2011, 01:32 AM
  2. Factoring Special Products.
    Posted in the Algebra Forum
    Replies: 5
    Last Post: March 18th 2009, 12:05 PM
  3. factoring special polynomials
    Posted in the Algebra Forum
    Replies: 1
    Last Post: November 30th 2008, 11:36 AM
  4. Factoring Special Products
    Posted in the Algebra Forum
    Replies: 1
    Last Post: May 30th 2008, 12:19 PM
  5. Special Factoring
    Posted in the Algebra Forum
    Replies: 8
    Last Post: March 3rd 2008, 06:37 PM

Search Tags


/mathhelpforum @mathhelpforum