STAAR Release Questions Prime and Composite

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 numbers have:

• Exactly 2 factors

• 2 pairs of factors

• More than 2 factors

• 1 factor

Composite numbers:

• Are always bigger than prime numbers

• Have more than 2 factors

• Have 2 pairs of factors

• Don't have factors

Find the prime number

• 10

• 9

• 7

• 4

Which number is composite?

• 11
  11

• 13

• 21

• 23

Which number listed below is a prime number?

• 1

• 37

• 63

• 33

Which of the following numbers is COMPOSITE?

• 2

• 37

• 4

• 41

Which list has only prime numbers?

• 2, 3, 4, 5

• 1, 5, 7, 9

• 2, 3, 5, 7

• 2, 4, 6, 8