Greatest Common Factor and Least Common Multiplple

Front

What is the Greatest Common Factor (GCF)?

Back

The GCF is the largest positive integer that divides two or more numbers without leaving a remainder.

Front

How do you find the GCF of two numbers?

Back

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

Front

What is the Least Common Multiple (LCM)?

Back

The LCM is the smallest positive integer that is a multiple of two or more numbers.

Front

How do you find the LCM of two numbers?

Back

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

Front

What is the GCF of 35 and 47?

Back

1

Front

What is the LCM of 12 and 8?

Back

24

Front

Maya had 16 red flowers and 24 yellow flowers. What is the greatest number of bouquets she can make?

Back

8

Front

What is the GCF of 21 and 49?

Back

7

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 of a number is the product of that number and an integer.