Oh, what a happy little question! The number you're looking for is 5. You see, 5 is a factor of 20 because it can be divided evenly into 20, and it's also a multiple of 5 because, well, it is 5! Just remember, there are no mistakes, just happy little numbers.
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A factor of 20 is a number that divides evenly into 20 without leaving a remainder. The factors of 20 are 1, 2, 4, 5, 10, and 20. Among these, the number 5 is a factor of 20 but not a multiple of 4 because it does not result from multiplying 4 by any integer.
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Which number is a factor of 10 , but not a multiple of 5
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