Question

Dividing LCM (12) with a
we get 1 so we will muli tiply​

Answer 1

Step-by-step explanation:

Least common multiple can be found by multiplying the highest exponent prime factors of 1 and 12. First we will calculate the prime factors of 1 and 12.

Prime Factorization of 1

Factor of 1 is 1

Prime Factorization of 12

21226331

Prime factors of 12 are 2,3. Prime factorization of 12 in exponential form is:

12 = 22×31

Now multiplying the highest exponent prime factors to calculate the LCM of 1 and 12.

LCM(1,12) = 22×31

LCM(1,12) = 12

Factors of 1

List of positive integer factors of 1 that divides 1 without a remainder.

1

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1, 2, 3, 4, 6, 12

Answer 2

Answer:

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Step-by-step explanation:

LCM means Least Common Multiple. That means in this case, we need to look for a number which would be multiple of both 12 and 18. There are different ways to find it. One way would be you expand 12 by its smallest factors like

12 = 2 x 2 x 3

And 18 can be written by its smallest factors as 18 = 2 x 3 x 3

Now, we in order to find the LCM of 12 and 18 , we need to take the common factors only once(Factors in bold) and also the uncommon ones.

So the LCM will be like this = 2 x 3 x 2 x 3 = 36.

Another way of finding the LCM is as follows:

you keep multiplying each number by 2 then 3 and so till reach both resulting in same number. Check the below

12 x 2 = 24; 12 x 3 = 36

18 x 2 = 36

So, you see, we reached at 36 by multiplying just 2 to 18 and which is also a multiple of 12 (multiplied by 3), hence this is the least number which would common multiple to both 12 and 18. So, the LCM is 36.

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