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

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 GCF of two numbers?

Back

List the factors of each number and identify the largest factor they have in common.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple they have in common.

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.

Front

Is 1 a prime number?

Back

No, 1 is not considered a prime number.

Front

Is 2 a prime number?

Back

Yes, 2 is the only even prime number.

Front

What is the GCF of 12 and 16?

Back

The GCF of 12 and 16 is 4.

Front

What is the LCM of 3 and 5?

Back

The LCM of 3 and 5 is 15.