LCM and GCF

Front

What is the Least Common Multiple (LCM)?

Back

The LCM of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.

Front

What is the Greatest Common Factor (GCF)?

Back

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

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

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 prime factorization?

Back

Prime factorization is expressing a number as the product of its prime factors.

Front

Find the LCM of 4 and 6.

Back

The LCM of 4 and 6 is 12.

Front

Find the GCF of 24 and 36.

Back

The GCF of 24 and 36 is 12.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it has only one factor.

Front

What is a composite number?

Back

A composite number is a whole number greater than 1 that has more than two factors.

Front

Identify the prime factorization of 30.

Back

The prime factorization of 30 is 2 x 3 x 5.