Pre-Algebra

> Factors and Multiples  <

Factors are numbers that are multiplied to get a
product.  In the multiplication sentence 3X7=21, the
factors of 21 are 3 and 7.

 

Multiples
To find a multiple of a whole number. You have to
skip and count by that number .

Example   5,10,15,20,25,30...

 

Common Factor is a number that will divide into
both numbers evenly. Two is a common factor of 4
and 14.

 

The Greatest Common Factor (G.C.F.) of two numbers is the
largest number that is a divisor of both. It is sometimes called
the Greatest Common Divisor.  More About GCF

 
 
 

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Factor tree


What are Factors