Page

**1**

Slide 1

Prime Numbers

Some Simple Tips and Reminders

Slide 2

Even Numbers – Any number that can be divided by 2

Odd Numbers – Any number that cannot be divided by 2

Composite Number – An integer that can be divided by at least one other number (a factor) other than itself

Slide 3

Definitions

Prime Number – An integer whose only factors are 1 and itself.

Factor – a number that can divide another number without a remainder.

Prime Factors – an expression of numbers that divides another integer without a remainder where all the factors are prime.

Slide 4

Let’s look at a number grid from 1 to 100 and see how they were discovered.

Slide 5

Take out the number 1 because it is a special number

Slide 6

Here’s How You Do It

Take out the number 1 because it is a special number

Slide 7

Here’s How You Do It

Take out numbers that have a composite factor of 2

Slide 8

Here’s How You Do It

Take out numbers that have a composite factor of 2

Slide 9

Here’s How You Do It

Take out numbers that have a composite factor of 3

Slide 10

Here’s How You Do It

Take out numbers that have a composite factor of 3

Slide 11

Here’s How You Do It

Take out numbers that have a composite factor of 5

Slide 12

Here’s How You Do It

Take out numbers that have a composite factor of 5

Slide 13

Here’s How You Do It

Take out numbers that have a composite factor of 7

Slide 14

Take out numbers that have a composite factor of 7

Slide 15

Go to page:

1 2

1 2

- Definitions
- What numbers are prime?
- Here’s How You Do It
- The PRIME Numbers!
- How Do We Know They Are Prime?
- Composite Numbers
- Prime Numbers

- Newton’s Laws of Motion
- Direct heat utilization of geothermal energy
- Sound
- Magnetic field uses sound waves to ignite sun's ring of fire
- Soil and Plant Nutrition
- Solar Energy
- Newton’s law of universal gravitation

© 2010-2021 powerpoint presentations