Example: 30 and 42
Factor them.
2 x 3 x 5 = 30
2 x 3 x 7 = 42
Combine the factors, eliminating duplicates.
2 x 3 x 5 x 7 = 210, the LCM
The LCM of the given three numbers using prime factorization is 25200
the LCM of 42 and 126 using a prime factorization is 2 times 2 times 3
That depends on the value of A.
144
It is: 60
It is: 126
It is: 144
It is 500
644
The LCM of the given two numbers is 48
3 and 17 are both prime. Any time you have prime numbers, you multiply them together to get the LCM.
it is fast and easy