Greatest Common Factor

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 are the factors of 25?

Back

1, 5, 25

Front

What is a factor of 14?

Back

7

Front

What is the GCF of 18 and 24?

Back

6

Front

What is the GCF of 8 and 10?

Back

2

Front

What is the GCF of 20, 44, and 88?

Back

4

Front

How do you find the GCF of two numbers?

Back

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

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two factors.

Front

What is the relationship between GCF and LCM?

Back

The GCF is the largest factor common to two or more numbers, while the LCM is the smallest multiple common to those numbers.