GCF, LCM, & Prime Factorization

Front

What is the GCF of 9 and 15?

Back

3

Front

What is the LCM of 9 and 15?

Back

45

Front

What is the definition of a factor?

Back

A whole number that you multiply by another whole number to get a product.

Front

What are composite numbers?

Back

Numbers that have more than 2 factors.

Front

What is the prime factorization of 60?

Back

5 x 3 x 2 x 2

Front

What is the GCF of 12 and 18?

Back

6

Front

What is the LCM of 12 and 18?

Back

36

Front

What is a prime number?

Back

A number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the prime factorization of 30?

Back

2 x 3 x 5

Front

How do you find the GCF of two numbers?

Back

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