42
Chat with our AI personalities
Using the prime factors of 14 and 6, the LCM is 42 (2 x 3 x 7).
The prime factorization of 42 is 2 x 3 x 7 Therefore the ascending sequence of numbers who could have a LCM of 42 is 2, 3, 6, 7, 14, 21 Pick the two which add to 20 6 + 14
It is: 18
Not always, sometimes the LCM equals the greatest number, i.e.the LCM of 5 and 6 is 30, the LCM of 3 and 6 is 6.
When the numbers are co-prime, ie have no common factor. Simplest example is 2 & 3 whose LCM is 6