| http://www.w3.org/ns/prov#value | - If the ones digit is a 2, 4, 5, 6, 8, or 0, then the number is composite. (The only exceptions to this rule are the numbers 2 and 5 themselves, which are prime.) This rule works because any number that ends in 2, 4, 6, 8, or 0 is even, i.e., divisible by 2.
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