True: 15 is a multiple of 5, 82 is an even number, 37 is a prime number, 12 x 5 = 60, 81 is a square number, 7 x 6 = 42, False: 18 is a prime number, 45 is a prime number, 81 divided by 9 = 7, 81 is a prime number, 7 x 6 = 48, 24 is a square number,

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