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Greatest Common Factor GCF Lest Common Multiple LCM

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Greatest Common Factor (GCF) Lest Common Multiple (LCM) Mugg & Orkish. PEC 6th Grade ... The largest number that is a common factor of two or more numbers. ... – PowerPoint PPT presentation

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Title: Greatest Common Factor GCF Lest Common Multiple LCM


1
Greatest Common Factor (GCF)Lest Common Multiple
(LCM)
  • Mugg Orkish
  • PEC 6th Grade

2
What is a Greatest Common Factor?
  • The largest number that is a common factor of two
    or more numbers. (Click Here)
  • Here is an example (Click Here)

3
Divisibility Rules
  • It helps to know some quick divisibility rules.
    (Click Here)

4
List all the factors for each number.
  • 14 35
  • 1 2 7 14
  • 1 5 7 35
  • Next go back and highlight the common factors.
  • Look for the greatest common factor

5
A Step by step process
  • A simple step by step (Click Here)

6
Play a game
  • Click Here to play the GCF game.

7
Least Common Multiple (LCM)
  • The smallest number that both numbers can go
    into.
  • Click Here to see how it is done.
  • Click Here to try some.
  • Another look at LCM (click here)
  • Try the LCM game (click here)
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