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What is the Least Common Multiple of 12168 and 12174?

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 12168 and 12174 is 24688872.

LCM(12168,12174) = 24688872

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Least Common Multiple of 12168 and 12174 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12168 and 12174, than apply into the LCM equation.

GCF(12168,12174) = 6
LCM(12168,12174) = ( 12168 × 12174) / 6
LCM(12168,12174) = 148133232 / 6
LCM(12168,12174) = 24688872

Least Common Multiple (LCM) of 12168 and 12174 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12168 and 12174. First we will calculate the prime factors of 12168 and 12174.

Prime Factorization of 12168

Prime factors of 12168 are 2, 3, 13. Prime factorization of 12168 in exponential form is:

12168 = 23 × 32 × 132

Prime Factorization of 12174

Prime factors of 12174 are 2, 3, 2029. Prime factorization of 12174 in exponential form is:

12174 = 21 × 31 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 12168 and 12174.

LCM(12168,12174) = 23 × 32 × 132 × 20291
LCM(12168,12174) = 24688872