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What is the Least Common Multiple of 336 and 351?

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 336 and 351 is 39312.

LCM(336,351) = 39312

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Least Common Multiple of 336 and 351 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 336 and 351, than apply into the LCM equation.

GCF(336,351) = 3
LCM(336,351) = ( 336 × 351) / 3
LCM(336,351) = 117936 / 3
LCM(336,351) = 39312

Least Common Multiple (LCM) of 336 and 351 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 336 and 351. First we will calculate the prime factors of 336 and 351.

Prime Factorization of 336

Prime factors of 336 are 2, 3, 7. Prime factorization of 336 in exponential form is:

336 = 24 × 31 × 71

Prime Factorization of 351

Prime factors of 351 are 3, 13. Prime factorization of 351 in exponential form is:

351 = 33 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 336 and 351.

LCM(336,351) = 24 × 33 × 71 × 131
LCM(336,351) = 39312