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Least Common Multiple of 8 and 27

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 8 and 27 is 216.

LCM(8,27) = 216

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Least Common Multiple of 8 and 27 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8 and 27, than apply into the LCM equation.

GCF(8,27) = 1
LCM(8,27) = ( 8 × 27) / 1
LCM(8,27) = 216 / 1
LCM(8,27) = 216

Least Common Multiple (LCM) of 8 and 27 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8 and 27. First we will calculate the prime factors of 8 and 27.

Prime Factorization of 8

Prime factors of 8 are 2. Prime factorization of 8 in exponential form is:

8 = 23

Prime Factorization of 27

Prime factors of 27 are 3. Prime factorization of 27 in exponential form is:

27 = 33

Now multiplying the highest exponent prime factors to calculate the LCM of 8 and 27.

LCM(8,27) = 23 × 33
LCM(8,27) = 216

Recent Comments
Shivani Mehrotra 2020-08-06 06:21:24

It's awesome but I want LCM in the table .

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