The LCM is: 42
Wiki User
∙ 10y agoThe LCM of 6 and 21 is 42. Their GCF is 3.
The least common multiple (LCM) of 21 and 42 is 42.
42 2 times 21 is 42 3 time 14 is 42
Th LCM of 21 and 42 is: 42
42 because 21 times 2 is 42 and 14 times 3 is 42
42
the answer is 42 14*2=42 14*3=42
The LCM is 1302.
The LCM is 252.
The LCM is 42
LCM for 14 and 21 is 42.