Mrs. R. Prime and Composite

What makes a number a composite number?

• It only has 2 factors 1 and itself.
• It is an even number.
  It is an odd number.
• Is is an odd number.
• It has more than two factors.

Tags

CCSS.4.OA.B.4

Which numbers are prime

• 37

• 150

• 53

• 30

Select the list of prime numbers.

• 15, 129,141,107

• 107, 101, 139, 63

• 139, 107, 61, 2

• 5, 2, 161, 27

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Prime or Composite: 73

• Prime

• Composite

All even numbers are prime. True or False

• True

• False

Which number in the list is a composite number: 69, 139, 113, 71?

• 71

• 69

• 139

• 113

Which number in the list is a composite number: 7, 127, 177, 17

• 7

• 127

• 177

• 17

A composite number is a number that:

• only has 2 factors (1 and itself)

• has more than two factors

• is odd

• is even

Prime or Composite: 92

• Prime

• Composite