Which one of these is a prime number
- Which one of these are prime numbers
- Which of these is prime number
- Which of these numbers is a prime number
- Which one of these is not a prime number
- Which one of these is a pair of twin prime number
- Which one of these is the smallest prime number
- Which of these is a prime number 54 35 47
- Which of these is a prime number 11 12 15
- Which of these is a prime number 157 or 159
- Which of these is not a prime number