GCF and LCM

Front

What does GCF stand for in mathematics?

Back

GCF stands for Greatest Common Factor, which is the largest positive integer that divides two or more integers without leaving a remainder.

Front

What does LCM stand for in mathematics?

Back

LCM stands for Least Common Multiple, which is the smallest positive integer that is a multiple of two or more integers.

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.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Front

What is a multiple?

Back

A multiple is a number that can be expressed as the product of an integer and another number.

Front

What is the GCF of 12 and 18?

Back

The GCF of 12 and 18 is 6.

Front

What is the LCM of 4 and 5?

Back

The LCM of 4 and 5 is 20.

Front

Which of the following is a factor of 30: 2, 3, 5, or 7?

Back

The factors of 30 are 2, 3, and 5. Therefore, 2, 3, and 5 are factors of 30, while 7 is not.

Front

Which of the following is a multiple of 6: 12, 14, 15, or 18?

Back

The multiples of 6 include 12 and 18. Therefore, 12 and 18 are multiples of 6, while 14 and 15 are not.