GCF - Practice 2

Front

What is the GCF of 20 and 30?

Back

10

Front

What is the GCF of 24 and 48?

Back

24

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 24 and 36?

Back

12

Front

What is the GCF of 10 and 12?

Back

2

Front

Define GCF (Greatest Common Factor).

Back

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

Front

List the steps to find the GCF of two numbers.

Back

1. List the factors of each number. 2. Identify the common factors. 3. Choose the largest common factor.

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Tags

CCSS.4.OA.B.4

Front

What are prime numbers? Give an example.

Back

Prime numbers are numbers greater than 1 that have no divisors other than 1 and themselves. Example: 2, 3, 5.

Tags

CCSS.4.OA.B.4

Front

How can you use prime factorization to find the GCF?

Back

1. Find the prime factorization of each number. 2. Identify the common prime factors. 3. Multiply the common prime factors.