Prime Numbers

Which one is prime number ?

• 14

• 17

• 24

• 30

Which one is composite number ?

• 29

• 35

• 47

• 59

Which one is prime number ?

• 52

• 60

• 71

• 75

Which one is divisible by 3 ?

• 42

• 23

• 31

• 52

Which one is divisible by 6 ?

• 26

• 32

• 72

• 94

it is known that p is a prime number. If p² + 2 is also a prime number, find p ?

• 2

• 3

• 5

• 7

• none of the above

Which one is the prime factorisation of 336?