Prime & Composite Practice

A prime number has exactly two factors (1 and itself)

• True

• False

What is a composite number?

• A number with exactly two factors.

• A number that has two or more factors.

• Any number 0-100

Which number is a prime number?

• 4

• 9

• 6

• 5

Is the number 23 a prime number or a composite number?

• Prime number

• Composite number

Which number is a prime number?

• 43

• 75

• 99

• 48

Which number is a composite number?

• 23

• 67

• 81

• 79

Are these prime or composite numbers? 3, 11, 31, 73, 97

• Prime numbers

• Composite numbers

Which number is a prime number?

• 4

• 53

• 60

• 91

Which number is a composite number?

• 19

• 2

• 61

• 87

Type in any prime number.