Discovering Prime Numbers Up to 100

Which of the following numbers is a prime number?

• 4

• 7

• 9

• 12

What is the smallest prime number?

• 0

• 1

• 2

• 3

Which of the following numbers is not a prime number?

• 11

• 13

• 15

• 17

How many prime numbers are there between 1 and 10?

• 2

• 3

• 4

• 5

Which of the following numbers is a prime number?

• 21

• 23

• 25

• 27

What is the largest prime number less than 50?

• 43

• 47

• 49

• 51

Which of the following numbers is a prime number?

• 31

• 33

• 35

• 37

What is the sum of the first three prime numbers?

• 10

• 12

• 15

• 17

Which of the following numbers is not a prime number?

• 29

• 31

• 33

• 37

What is the next prime number after 37?

• 39

• 41

• 43

• 47