Factors and Multiples

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number without leaving a remainder.

Front

What is a multiple?

Back

A multiple is the product of a number and an integer. For example, multiples of 4 include 4, 8, 12, 16, etc.

Front

How can you determine if a number is a factor of another number?

Back

To determine if a number is a factor of another number, divide the second number by the first. If the result is a whole number (with no remainder), then the first number is a factor.

Front

List the factors of 15.

Back

The factors of 15 are 1, 3, 5, and 15.

Front

What are the first five multiples of 3?

Back

The first five multiples of 3 are 3, 6, 9, 12, and 15.

Front

Is 0 a factor of any number?

Back

No, 0 is not considered a factor of any number because division by zero is undefined.

Front

What is the greatest common factor (GCF) of 12 and 16?

Back

The greatest common factor of 12 and 16 is 4.

Front

What is the least common multiple (LCM) of 4 and 5?

Back

The least common multiple of 4 and 5 is 20.

Front

How do you find the GCF of two numbers?

Back

To find the GCF of two numbers, list the factors of each number and identify the largest factor that they have in common.

Front

How do you find the LCM of two numbers?

Back

To find the LCM of two numbers, list the multiples of each number and identify the smallest multiple that they have in common.