Prime Composite Problems

Determine whether 17 is a prime number.

• Yes, 17 is a composite number.

• Yes, 17 is a prime number.

• No, 17 is a perfect number.

• No, 17 is not a prime number.

Is 15 a composite number?

• Yes

• Sometimes

• No

• Always

Prime or Composite

23

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

7

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

11

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

5

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

29

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

15

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

2

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs

Prime or Composite

9

• Prime

  Exactly 2 factors - 1 & itself

• Composite

  3 or more facotrs