Identifying Prime Numbers

Which of the following is a prime number? A) 15 B) 17 C) 20 D) 22

• D) 22

• A) 15

• B) 17

• C) 20

Is 29 a prime number? A) Yes B) No

• B) Sometimes

• A) No

• C) Only on weekends

• A) Yes

What is the only even prime number? A) 2 B) 4 C) 6 D) 8

• A) 2

• 12

• 10

• 3

Which of the following is not a prime number? A) 11 B) 13 C) 15 D) 17

• C) 15

• D) 16

• B) 14

• A) 12

Is 37 a prime number? A) Yes B) No

• C

• D

• E

• A

What is the sum of the first 5 prime numbers? A) 15 B) 18 C) 20 D) 28

• 28

• 22

• 12

• 25

Which of the following is a prime number? A) 27 B) 29 C) 31 D) 33

• B) 29, C) 31

• E) 35

• A) 27

• D) 33

Is 41 a prime number? A) Yes B) No

• A) Yes

• B) Sometimes

• A) No

• C) Maybe

What is the largest prime number less than 50? A) 47 B) 50 C) 53 D) 55

• A) 47

• D) 55

• C) 53

• B) 50

Which of the following is a prime number? A) 39 B) 41 C) 43 D) 45

• 39

• 37

• 47

• 41