210, because this is the lowest number in a series of numbers (going to infinite, known as common (i.e. that they have in common) multiples) that each 42 and 70 will divide into evenly
The LCM is 210.
LCM of 42 70 and 98 is 1470.
The lowest common multiple (LCM) of 42 and 70 is 210.
The LCM is: 420
It is: 210
420
420
The LCM of 30, 42, and 70 is 210
LCM(42, 70, 105) = 210
420 is the LCM of 70, 42 and 84
GCF: 7 LCM: 210
The LCM is: 840