Factors- Prime and Composite Numbers

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Front

What are prime numbers?

Back

Prime numbers are natural numbers greater than 1 that have no positive divisors other than 1 and themselves.

Front

What are composite numbers?

Back

Composite numbers are natural numbers greater than 1 that have more than two positive divisors.

Front

List the factors of 27.

Back

The factors of 27 are 1, 3, 9, and 27.

Front

Which number is a factor of 27? Options: 7, 8, 9, 5

Back

9

Front

Which number is NOT a factor of 10? Options: 1, 2, 3, 5

Back

3

Front

What is the GCF of 32 and 40? Options: 2, 4, 6, 8

Back

8

Front

What is the GCF of 14 and 20? Options: 7, 28, 2, 6

Back

2

Front

Which is not a factor of 21? Options: 1, 3, 6, 7

Back

6

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.