Divisibility Rules Factors Prime and Composite Numbers

Is 9 a factor of 18?

• yes

• no

______________ rules are number "tricks"

• factor

• divisibility

• fraction

• multiple

Prime ____________ is a "string" of factors that is made up of only prime #'s

• tree

• factorization

• multiples

• fractions

A number with 2 or more factors.

• prime

• composite

• divisible

• improper

___________common factor (largest shared factor)

• least

• prime

• composite

• greatest

Divides into evenly

• multiple

• factor

• divisible

• reciprocal

is a number greater than 1 that has exactly two factors, itself and 1.

• Base

• Composite Number

• Prime Number

• Greatest Common Factor (GCF)

Rules that can help you decide if one number is divisible by another number.

• Order of Operations

• Dividend

• Divisibility Rules

• Compatible Numbers

is a number greater than 1 that has more than two factors.

• Composite Number

• Greatest Common Factor (GCF)

• Compatible Number

• Divisibility Rules