0
Anonymous
It is 231
Wiki User
The LCM is: 105
The LCM is: 42
It is: 210
3
It is 42
The LCM of 21 & 30 is... 210
252
21=1x3x7 75=1x3x5x5 LCM=1x3x5x5x7=525
The GCF is 3.
21 = 3*7 56 = 23*7 LCM = 23 * 3 * 7 = 168
LCM(21, 14) = 42.
The LCM is: 33