What is the LCM of 12 and 16?

William Cleghorn

William Cleghorn

Answered

2021-12-16

What is the LCM of 12 and 16?

Answer & Explanation

Mary Herrera

Mary Herrera

Expert

2021-12-17Added 37 answers

Least Common Multiple is 48 .
Explanation:
Multiples of 12 are {12,24,36,48,60,72,84,96,108,}
Multiples of 16 are {16,32,48,64,80,96,112,}
Hence, common multiples are {48,96,..}

and Least Common Multiple is 48 .

David Clayton

David Clayton

Expert

2021-12-18Added 36 answers

Explanation:
Think about the multiples of 12 since it is the lesser of the two numbers. That is 12 times (2,3,4,5,6,7,8,9). When the larger number 16 divides exactly into one of the multiples of 12 then that is the LCM.
 Can 12 be divided exactly by 16 ? No - so not 12.
 Can 24 be divided exactly by 16 ? No - so not 24.
 Can 36 be divided exactly by 16 ? No-so not 36.
 Can 48 be divided exactly by 16 > Yes 3 times.
48 is the LCM of 12 and 16

RizerMix

RizerMix

Expert

2021-12-29Added 437 answers

Explanation:
Each number should be written as the sum of its prime factors. then you are aware of the situation.
16=2×2×2×2=24
12=2×2×3=22×3
The LCM must be contain all of the prime factors, but without unnecessary duplicates.
LCM=24×3=16×3=48
This is the same method which is used in Algebra.

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