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What is the Least Common Multiple of 38376 and 38391?

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 38376 and 38391 is 491097672.

LCM(38376,38391) = 491097672

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Least Common Multiple of 38376 and 38391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38376 and 38391, than apply into the LCM equation.

GCF(38376,38391) = 3
LCM(38376,38391) = ( 38376 × 38391) / 3
LCM(38376,38391) = 1473293016 / 3
LCM(38376,38391) = 491097672

Least Common Multiple (LCM) of 38376 and 38391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38376 and 38391. First we will calculate the prime factors of 38376 and 38391.

Prime Factorization of 38376

Prime factors of 38376 are 2, 3, 13, 41. Prime factorization of 38376 in exponential form is:

38376 = 23 × 32 × 131 × 411

Prime Factorization of 38391

Prime factors of 38391 are 3, 67, 191. Prime factorization of 38391 in exponential form is:

38391 = 31 × 671 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 38376 and 38391.

LCM(38376,38391) = 23 × 32 × 131 × 411 × 671 × 1911
LCM(38376,38391) = 491097672