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prime number

a whole number greater than 1 whose only positive factors are 1 and itself

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composite number

a whole number greater than 1 that has positive factors other than 1 and itself

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prime factorization

a whole number written as the product of prime numbers

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factor tree

one method of finding the prime factorization of a number using a diagram

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monomial

a number, a variable, or a product of a number and one or more variables

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common factor

a whole number that is a factor of two or more nonzero whole numbers

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greatest common factor (GCF)

the greatest of the common factors of two or more nonzero whole numbers

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relatively prime

when the GCF of two whole numbers is 1

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simplest form

a fraction with a numerator and denominator that have a GCF of 1

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equivalent fractions

fractions that represent the same number

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multiple

the product of the number and any nonzero whole number

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common multiple

a multiple that is shared by two or more numbers

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least common multiple (LCM)

the least common multiple of two or more whole numbers

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least common denominator (LCD)

the least common multiple of the denominators in two or more fractions

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scientific notation

a method using powers of ten to write very small or very large numbers

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