👉 Parities are numbers that have exactly two positive factors, which means they can be expressed as the sum of two distinct prime numbers. For example, 2 is a parity because its only factor is 1 and itself, while 3 has two factors: 1 and 3. Parities allow us to determine whether a number is even or odd by checking if it has exactly two positive factors. If it does not have any factors other than 1 and itself, then it is an
