420. You could just Google "LCM calculator" to get a quicker answer.
The LCM is 420.
It is: 420
The least common multiple of 12 , 5 , 7 = 420
The LCM is 4620.
420
4620
It is: 1260
the LCM of 12 and 7 is 8484
420 35 = 5 x 7 12 = 22 x 3 lcm = 22 x 3 x 5 x 7 = 420