3 and 5
5 and 15
Two pairs of #'s with 10 as their least common multiple: 5x2 1x10
The product of all pairs of prime numbers is always the least common multiple of the two prime numbers.
Select ALL pairs of numbers that have a least common multiple of 30
6 and 12 have a least common multiple of 12
12 and 18.12,24,36,48,60.18,36,54,72,90.
20 and 25
(21,5)(15,7)
2 and 5 5 and 10
They are: 2 and 9, 1 and 18
5 and 9 9 and 15
5,65,7
2 and 60 10 and 12