30
The smallest number that is a multiple of both 72 and 117 is 936.
30 is the smallest number that is a multiple of both 6 and 15
Answer is 20.
36.
14
18
4248
Six.
The smallest number which is a common multiple of both 7 and 4 is 28.
432
The lowest common multiple of 5 and 7 is 35.
The smallest number into which both 7 and 15 can be divided evenly is 105.