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What is the Least Common Multiple of 12385 and 12395?

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 12385 and 12395 is 30702415.

LCM(12385,12395) = 30702415

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Least Common Multiple of 12385 and 12395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12385 and 12395, than apply into the LCM equation.

GCF(12385,12395) = 5
LCM(12385,12395) = ( 12385 × 12395) / 5
LCM(12385,12395) = 153512075 / 5
LCM(12385,12395) = 30702415

Least Common Multiple (LCM) of 12385 and 12395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12385 and 12395. First we will calculate the prime factors of 12385 and 12395.

Prime Factorization of 12385

Prime factors of 12385 are 5, 2477. Prime factorization of 12385 in exponential form is:

12385 = 51 × 24771

Prime Factorization of 12395

Prime factors of 12395 are 5, 37, 67. Prime factorization of 12395 in exponential form is:

12395 = 51 × 371 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 12385 and 12395.

LCM(12385,12395) = 51 × 24771 × 371 × 671
LCM(12385,12395) = 30702415