RETEST 2 NC6NS4 Lesson 6 GCF/LCM/Prime Factorization

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

How do you find the GCF of two numbers?

Back

Start with the largest number and check if it divides both numbers evenly. If not, try the next largest number until you find the GCF.

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 LCM of two numbers?

Back

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

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 12?

Back

2 x 2 x 3 or 2^2 x 3.

Front

What is the prime factorization of 30?

Back

2 x 3 x 5.

Front

If cups are sold 5 to a package and plates are sold 10 to a package, how many packages do you need to buy to have the same number of each?

Back

10 packages.

Front

What is the least common multiple of 4 and 5?

Back

20.

Front

What is the least common multiple of 6 and 8?

Back

24.