NC6NS4 Lesson 6 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

How do you find the GCF of two numbers?

Back

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

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

How do you find the LCM of two numbers?

Back

List the multiples of each number and identify the smallest multiple that they have in common.

Front

What is prime factorization?

Back

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

Front

How do you perform prime factorization?

Back

Divide the number by the smallest prime number until you reach 1, recording the prime factors.

Front

What is an example of finding the GCF of 50 and 40?

Back

The GCF of 50 and 40 is 10.

Front

What is an example of finding the LCM of 4, 6, and 10?

Back

The LCM of 4, 6, and 10 is 60.

Front

If Maria runs every third day and swims every fifth day, what is the first day she will both run and swim again?

Back

15

Front

At Chick-Fil-A, if they baked 36 chicken sandwiches and 108 spicy chicken strips, what is the greatest number of lunches they can make?

Back

36