Question

The lest common multiple of a number n and 6 is 42. What are of the possible whole number values for n?

Answer 1

One possible value of n is 7

List out the multiples:

7: 7, 14, 21, 28, 35, 42, 49
6: 6, 12, 18, 24, 30, 36, 42, 48

Another possible value of n is 42

List out the multiples:

42: 42, 84
6: 6, 12, 18, 24, 30, 36, 42, 48