GCF/LCM Prime Factorization Test Review

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

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 36?

Back

Front

If Henry takes 7 minutes and Margo takes 12 minutes to complete a lap, how do you find when they will meet at the starting line?

Back

Find the LCM of 7 and 12, which is 84 minutes.

Front

What is the difference between 4 1/2 oz and 3 1/8 oz?

Back

The difference is 1 3/8 ounces.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

How do you add mixed numbers like 2 9/10 and 6 1/3?

Back

Convert to improper fractions, find a common denominator, add, and convert back to a mixed number.

Tags

CCSS.7.NS.A.1C

Front

What is a factor?

Back

A factor is a number that divides another number evenly.

Tags

CCSS.4.OA.B.4