1. HCF=5 LCM=60 one number=20 find other?

2. Divisible by both 4 and 9?

3. Prime numbers between 10 and 30?

4. Sum of factors of 28 excluding itself equals 28, this is called?

5. HCF=8 LCM=120 find product of two numbers?

6. What is the definition of a prime number?

7. Which number is a factor of 10

8. A factor is most similar to a....

9. How can you prove a number is prime?

10. A composite number is...