Factors
This number is prime. A. 20 B. 15 C. 5
What is C. 5?
This number is composite. A. 4 B. 5 C. 11
What is A. 4?
This number is composite. A. 5 B. 13 C. 9
What is C. 9?
A number with more than two factors.
What is a composite number?
This number is prime. A. 48 B. 23 C. 10
What is B. 23?
The only number that is neither prime nor composite.
What is 1?