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What is the Least Common Multiple of 382 and 387?

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 382 and 387 is 147834.

LCM(382,387) = 147834

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Least Common Multiple of 382 and 387 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 382 and 387, than apply into the LCM equation.

GCF(382,387) = 1
LCM(382,387) = ( 382 × 387) / 1
LCM(382,387) = 147834 / 1
LCM(382,387) = 147834

Least Common Multiple (LCM) of 382 and 387 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 382 and 387. First we will calculate the prime factors of 382 and 387.

Prime Factorization of 382

Prime factors of 382 are 2, 191. Prime factorization of 382 in exponential form is:

382 = 21 × 1911

Prime Factorization of 387

Prime factors of 387 are 3, 43. Prime factorization of 387 in exponential form is:

387 = 32 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 382 and 387.

LCM(382,387) = 21 × 1911 × 32 × 431
LCM(382,387) = 147834