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There are several different properties, such as multiples, squares, primes, odds and evens.
Things to remember:
Odd – whole number not divisible by 2
Even – whole number divisible by 2
Prime – divisibly only by 1 and by itself
Square – the result of a number multiplied by itself
Multiple – can be divided by named number (e.g. 8 is a multiple of 4)
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