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Level 25

Greatest Common Factor & Least Common Multiple

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greatest common factor
The greatest factor that two or more numbers share.
least common multiple
The smallest multiple (other than zero) that two or more numbers have in common.
factor tree
A diagram that shows the prime factorization of a composite number., A diagram showing the prime factorization of a number. The factors branch out from the previous factors until all of the factors are prime numbers.
distributive property
Multiplying a sum by a number is the same as multiplying each term by the number and then adding (or subtracting ) the products.
Commutative Property
3 + 2 = 2 + 3
Associative Property
(1 + 2) + 3 = 1 + (2 + 3)
A mathematical notation indicating the number of times a quantity is multiplied by itself
order of operations
The rules for calculating a maths question containing mixed operations, such as 14 - 2 x 4 + 12
prime factorization
Breaking down a composite number until all of the factors are prime
prime factor
A composite number expressed as a product of prime numbers.
Composite number
a number with more than two factors.