What is prime number, With only two factor, With 9 factors, 5 multiples, No factors, What is composit number, Which have more twenty factor, More than 2 factors, None, Twin prime, Difference 9, Difference 6, Difference5, Difference 2, Co prime only common factor, 5, 1, 4, 7, 2 first multiple of 18, 18,36, 18,48, 18,45, 18,44

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