ANSWERS: 5

1

50 25x2=50 50x1=50

The least common multiple is 50. The least common denominator, other than 1, is 5. +5

It is 50. Because 50 is a multiple of 25 (and of course of itself), and that there is no smaller multiple of 50. For a general algorithm to compute the least common multiple, see here: http://en.wikipedia.org/wiki/Least_common_multiple

plus 50 is a prime number
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