1. Which is the greatest prime factor of 60?
2. Which of the following is a factor of every number?
3. A number ending with 0 will always be divisible by:
4. Which of the following is not divisible by 3?
5. Which is the prime factorization of 50?
6. Which of the following is divisible by 4?
7. Which of the following is not divisible by 5?
8. Which is the smallest prime factor of any even number greater than 2?
9. Which is the largest prime factor of 84?
10. Which is the prime factorization of 72?