Real numbers

4. any number which an be written in the form p/q, where p & q are integers and q ≠ 0.
9. numbers that have more than 2 factors.
10. the set of rational and irrational numbers
11. numbers that have their HCF as 1.

1. any number that cannot be expressed in the form p/q, where p & q are integers and q ≠ 0.
2. natural numbers along with 0.
3. product of the greatest power of each prime factor involved in the numbers.
5. the counting numbers where 0 is not included.
6. a whole number greater than 1 whose only factors are 1 and itself.
7. the set of whole numbers along with their negatives.
8. product of the smallest power of each common prime factor in the numbers.