GCF and LCM

Front

What is the Greatest Common Factor (GCF)?

Back

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

Front

How do you find the GCF of two numbers?

Back

You can find the GCF by listing the factors of each number and identifying the largest common factor.

Front

What is the Least Common Multiple (LCM)?

Back

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

Front

How do you find the LCM of two numbers?

Back

You can find the LCM by listing the multiples of each number and identifying the smallest common multiple.

Front

What is the GCF of 90 and 72?

Back

The GCF of 90 and 72 is 18.

Front

What is the LCM of 9 and 6?

Back

The LCM of 9 and 6 is 18.

Front

If two numbers are 12 and 15, what is their GCF?

Back

The GCF of 12 and 15 is 3.

Front

If two numbers are 4 and 5, what is their LCM?

Back

The LCM of 4 and 5 is 20.

Front

What is a factor?

Back

A factor is a number that divides another number evenly, without leaving a remainder.

Front

What is a multiple?

Back

A multiple is the product of a number and an integer.