Learn what the factors of a whole number are and how to find them using factor pairs. Learn the difference between odd and even numbers and how to determine if a number is odd or even.

Learn the difference between prime and composite numbers and how to determine if a number is prime or composite. We will also discuss why 1 is not a prime number nor a composite number and why 2 is the only even prime number.

Learn what makes a number abundant, deficient, or perfect and how to determine which category a number falls into.

Numbers can be classified based on their characteristics. Learn the different categories for real numbers and we will touch briefly on imaginary numbers at the end.

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