What is The LCM of 12 and 28?
LCM of 12 and 28: The smallest number obtained which is divisible perfectly by both the given numbers 12 and 28 is their LCM
Answer: LCM of 12 and 28 is 84
Least Common Multiple: It is the smallest of the least number which the given numbers divide perfectly, that is leaving 0 as the remainder on division.
Different ways to obtain the LCM are given below:
LCM of 12 and 28 through Listing Method
- The non-zero multiples(first few) of 12 and 28 are written.
- The common multiples are encircled.
- The samllest common is the one which is the LCM of the two given numbers.
LCM of 12 and 28 through Formula
Formula to obtain LCM: LCM(a,b) = ( a × b) / GCF (a,b)
The Greatest Common Factor of (12, 28) = 4
LCM of 12 and 28 = (12 × 28) / 4
= 336/4 = 84
LCM of 12 and 28 = 84
Both the above-mentioned methods yield the same answer.