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Commutative Property of Multiplication
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Two numbers can be multiplied in any order without changing the product.
(a x b = b x a) |
Composite number
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A counting number greater than 1 that has more than two factors
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Divisibility rule
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A shortcut for determining whether a counting number is divisible by another counting number without actually doing the division
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Divisible by
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If the larger of two counting numbers can be divided by the smaller with no remainder, then the larger is divisible by the smaller
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Exponent
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A small raised number used in exponential notation to tell how many times the base is used as a factor
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Factor
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Each of the two or more numbers in a product
(Ex. 7 and 3 are factors of 21) |
Factor pair
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Two factors of a counting number x whose product is x
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Factor rainbow
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A way to show factor pairs in a list of all the factors of a number
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Factor string
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A counting number written as a product of two or more of its counting number factors other than 1
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Prime factorization
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A counting number written as a product of prime number factors
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Prime number
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A counting number greater than 1 that has exactly two whole-number factors, 1 and itself
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Product
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The result of multiplying two numbers, called factors
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Quotient
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The result of dividing one number by another number
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Rectangular array
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Any arrangement of objects in rows and columns that form a rectangle
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Square array
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A rectangular array having the same number of rows and columns
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