Expressing an integer as a product of its prime factors

12 questions

1. Fill in the missing word in this statement: A number which has exactly 2 factors is called a ___ number.
2. Which of the following arrays shows that 6 is not a prime number?
3. Which of the following is not a prime number?
4. True or false? 31 is a prime number.
5. True or false? All odd numbers between 2 and 10 are prime numbers.
6. Which is the odd one out in this list? 37, 47, 57, 67
7. Fill in the missing word: Integers greater than 1 are either ___ or prime.
8. What number is missing in this statement? Composite numbers have more than ___ factors
9. What is the missing number in the first step in the process to find prime factors of 12? 12 = 2 × ___
10. What is the missing product in this process to find prime factors of 12?
11. Given that 120 = 2^3\times3\times5, which of the following equals 600?
12. Given that 3600 = 2^4\times3^2\times5^2, which of the following equals 360?

License: OGL