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If the two numbers have no common factors other than 1, the LCM will be their product. If there are other common factors, the LCM will be less.
48 has ten factors.
All even numbers greater than 2 have even proper factors, since they all have 2 as a proper factor.
Just 32.
Perfect squares have an odd number of factors. There are 31 perfect squares less than 1000.