Unit 4 GCF / LCM Math 6

Front

What is the GCF (Greatest Common Factor)?

Back

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

Front

What is the LCM (Least Common Multiple)?

Back

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

Front

How do you find the GCF of two numbers?

Back

To find the GCF, 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

To find the LCM, list the multiples of each number and identify the smallest multiple they have in common.

Front

What is prime factorization?

Back

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

Front

What is the prime factorization of 30?

Back

2 x 3 x 5

Front

What is the prime factorization of 48?

Back

2 x 2 x 2 x 2 x 3

Front

If two numbers are 8 and 12, what is their GCF?

Back

The GCF of 8 and 12 is 4.

Front

If two numbers are 6 and 9, what is their LCM?

Back

The LCM of 6 and 9 is 18.

Front

What is the relationship between GCF and LCM?

Back

The product of the GCF and LCM of two numbers is equal to the product of the numbers.