Prime Composite and Prime Factorization

Prime and Composite Numbers

Prime VS Composite

-Have more than 2 factors
-All even numbers besides 2
-All numbers that end in 5 or 0
-Examples: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20

Composite Numbers

-Have only 2 factors: 1 and itself
-Examples: 2, 3, 5, 7, 11, 13, 17, 19

Prime Numbers

Dropdown

Prime numbers have:

Select answer

Dropdown

Composite numbers have: ​

Select answer

There are two special numbers

-1: it only has 1 factor
-0: it has an infinite number of factors

Multiple Select

Which numbers are special numbers? CHOOSE TWO

• 0

• 1

• 2

• 3

Time to practice!

Categorize

Options (10)

0

1

2

3

5

7

4

6

9

12

Organize these options into the right categories

Prime Numbers (4)

Composite Numbers (4)

Special Numbers (2)

Multiple Choice

Which number is prime?

• 13

• 15

• 12

• 20

Multiple Choice

Which number is prime?

• 11

• 22

• 9

• 6

Multiple Choice

Which number is composite?

• 15

• 3

• 5

• 13

Multiple Choice

Which number is composite?

• 21

• 2

• 0

• 29