Factors
The first 5 multiples of 6
What is 6, 12, 18, 24 and 30?
This number is prime.
A. 20 B. 15 C. 10 D. 5
What is D. 5?
The first 4 multiples of 15
What is 15, 30, 45, and 60?
This number is composite.
A. 4 B. 5 C. 11 D. 17
What is A. 4?
The multiples of 20 up to 80
What is 20, 40, 60, and 80?
This number is composite.
A. 5 B. 13 C. 9 D. 17
What is C. 9?
This number is prime.
A. 48 B. 66 C. 10 D. 23
What is D. 23?
The odd multiples of 6.
What is none?
The only number that is neither prime nor composite.
What is 1?