Question

find the LCM of 12,30,by using prime factorization method i want answer fast plz ​

Answer 1

Answer:

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Answer 2

Answer: List all prime factors for each number.

Prime Factorization of 12 is:

2 x 2 x 3 => 22 x 31

Prime Factorization of 30 is:

2 x 3 x 5 => 21 x 31 x 51

For each prime factor, find where it occurs most often as a factor and write it that many times in a new list.

The new superset list is

2, 2, 3, 5

Multiply these factors together to find the LCM.

LCM = 2 x 2 x 3 x 5 = 60

In exponential form:

LCM = 22 x 31 x 51 = 60

LCM = 60

Therefore,

LCM(12, 30) = 60

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