FACTORS, MULTIPLES, PRIME FACTORIZATION

Match the following terms to their definition.

• MULTIPLES

• a product made only by multiplying 1 and itself

• COMPOSITE

• a number multiplied by another number to create a product

• FACTOR

• the series of products of a certain number and other numbers

• PRIME

• a product that can be made by multiplying 3 or more factors

Drag the multiples of 4 to the BLUE side. Drag the multiples of 6 to the PURPLE side. Drag the multiples they share to the dark purple.

d

c

b

e

f

a

42

16

24

8

30

12

What are the multiples of 8 between 20 and 50?

• 22, 30, 38, 46

• 16, 24, 32, 40

• 18, 26, 34, 42

• 24, 32, 40, 48

Choose a prime number.

• 11

• 14

• 12

• 15

Is 12 prime or composite?

• prime
• composite

10³

• 30
• 100
• 1000
• 3000

17 is a PRIME NUMBER because it has just ___ factors: ___ and ___.

• 2, 5, 7

• two, itself, 1

• 2, 15, 2

• 2, 8.5, 2

What are all the FACTORS of 24?

• 1, 2, 12, 24

• 1, 2, 8, 24

• 1, 2, 3, 4, 5, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

The factors of 30 are

1, 2, 3, 5, ?, 10, ? 30

What are the two missing numbers?

• 6 and 16

• 7 and 6

• 6 and 15

• 8 and 4

Which of these numbers is a multiple of 20?

• 1

• 5

• 25

• 40