8 and 12
72 and 40
The GCM of those two numbers is 2. And if you were wondering, the LCM is 12,978.
72 and 108
72 and 40
6 and 8
6 & 8
12 and 8
LCM(46, 50, 4) = 2300. There is really no such thing as a "greatest common multiple" (GCM). Once you find the least common multiple of a set of numbers, you can keep adding the LCM to itself over and over again. Each new number you get will be a common multiple of your set of numbers, but each new number will always be larger than the previous. This means that you can keep adding while the number approaches infinity and you will still never find a greatest multiple.
15 and 25
Since the numbers differ by 2 and the GCF is 2, they are consecutive even integers. So the numbers are 6 and 8.
Product of two numbers = LCM x HCF, in this case 360 x 8 ie 2880.Factors of 2880 which differ by 32?40 x 72. Job done
The LCM of two numbers is sometimes the product of the two numbers.