Prime and Composite

Prime and Composite

Barbara Morgan

Prime Numbers

• Whole numbers greater than 1

• Have only two factors – 1 and the number itself

Multiple Choice

The only even prime number is

• 0

• 2

• 3

• 4

Multiple Choice

How many factors does a prime number have?

• 1

• 2

• 0

• None of these answers

Fill in the Blank

Five is a prime number, its factors are 1 and what other number?

Composite Numbers

• Whole numbers

• Have more than two factors

• Divisible by more than two numbers

• All Even numbers greater than 2

• Odd numbers that can be put in equal groups example 9 can be put into 3 equal groups of 3

Composite Numbers

Can be divided into equal groups that have more than one in each group.

Multiple Select

Composite numbers

• Have more than two factors

• Only have two factors

• Can be put in equal groups greater than 1

• Can be odd or even

Multiple Choice

A number is a Composite Number when it can be divided exactly

by a whole number other than itself.

• True

• False

Multiple Choice

The number 8

• Prime

• Composite

• Neither

Multiple Choice

The number 10

• Prime

• Composite

• Neither

Multiple Choice

The number 3

• Prime

• Composite

• Neither

Multiple Choice

The number 1

• Prime

• Composite

• Neither

Multiple Choice

The number Zero

• Prime

• Composite

• Neither

Poll

Tell me how confident you are with prime and composite numbers