Key learning points

1. Evaluating a product of primes will give a unique positive integer.
2. It is useful to compare numbers using their prime factor product without evaluating the numbers.
3. Square numbers can be identified from their product of primes.
4. Common factors can be found by comparing the products of their primes.

Keywords

• Composite number - A composite number is an integer with more than two factors.

• Product - A product is the result of two or more numbers multiplied together.

• Prime factors - Prime factors are factors of a number that are, themselves, prime.

• Exponent - An exponent is a number positioned above and to the right of a base value. It indicates repeated multiplication.

Common misconception