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 Related Terms
 Greatest Common Factor (GCF):  The largest factor that two or more numbers have in common.
Common Factor: A number (or an algebraic expression) that is a factor of two or more numbers (or algebraic expressions).
Relatively Prime Numbers: Two integers which do not have any common factors other than 1 or -1.
Factor: When two or more integers are multiplied, each integer is a factor of the product. "To factor" means to write the number or term as a product of its factors.
Factor Tree: A diagram used to factor a number into its prime factors.