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What is the Least Common Multiple of 324 and 344?

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 324 and 344 is 27864.

LCM(324,344) = 27864

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Least Common Multiple of 324 and 344 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 324 and 344, than apply into the LCM equation.

GCF(324,344) = 4
LCM(324,344) = ( 324 × 344) / 4
LCM(324,344) = 111456 / 4
LCM(324,344) = 27864

Least Common Multiple (LCM) of 324 and 344 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 324 and 344. First we will calculate the prime factors of 324 and 344.

Prime Factorization of 324

Prime factors of 324 are 2, 3. Prime factorization of 324 in exponential form is:

324 = 22 × 34

Prime Factorization of 344

Prime factors of 344 are 2, 43. Prime factorization of 344 in exponential form is:

344 = 23 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 324 and 344.

LCM(324,344) = 23 × 34 × 431
LCM(324,344) = 27864