Prime/Composite/Multiples/Factors

What are all prime numbers divisable by?

• 1, 2, and itself
• 1 and itself
• Every number from 1-10
• They aren't divisable at all

Tags

CCSS.4.OA.B.4

True or False: A composite number is able to be divided by more than two numbers.

• True
• False

Tags

CCSS.4.OA.B.4

Is 29 prime or composite?

• Prime

• Composite

the only factors prime numbers have are:

• 0 and 1
• 0 and itself
• 1 and itself
• 1

Tags

CCSS.4.OA.B.4

Is 12 prime or composite?

• prime

• composite

List the first 5 multiples of 3

• 3, 6 10, 15, 20

• 3, 6, 9, 12, 15

List the first 5 multiples of 8

• 1, 2, 4, 8

• 8, 16, 24, 32, 40

Which number is a multiple of 9?

• 18

• 33

Which number is a factor of 18

• 4

• 7

• 6

• 12

Which number is a factor of 21

• 8

• 9

• 6

• 3