GCF, LCM, Prime Factorization

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

What is prime factorization?

Back

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

Tags

CCSS.4.OA.B.4

Front

Find the GCF of 12 and 16.

Back

The GCF is 4.

Front

Find the LCM of 3 and 5.

Back

The LCM is 15.

Front

What are the prime factors of 30?

Back

The prime factors are 2, 3, and 5.

Front

How do you find the GCF of two numbers?

Back

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

Front

How do you find the LCM of two numbers?

Back

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

Front

What is the prime factorization of 45?

Back

The prime factorization is 3 x 3 x 5.

Front

If a number is prime, what does that mean?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4