How Would You Find The LCM Of Three Prime Numbers?

You can take the examples of the prime numbers as
2,3 , 5

so you can take the lcm as

___2_|_2,_,3,_5______
___3  |  1,  1.  5
___5 |   1,1,1

so your ans is 2*3*5
=30
or the easy way is just multiply the numbers and you get the lcm of that prime numbers