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What is the Least Common Multiple of 86385 and 86391?

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 86385 and 86391 is 2487628845.

LCM(86385,86391) = 2487628845

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Least Common Multiple of 86385 and 86391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86385 and 86391, than apply into the LCM equation.

GCF(86385,86391) = 3
LCM(86385,86391) = ( 86385 × 86391) / 3
LCM(86385,86391) = 7462886535 / 3
LCM(86385,86391) = 2487628845

Least Common Multiple (LCM) of 86385 and 86391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86385 and 86391. First we will calculate the prime factors of 86385 and 86391.

Prime Factorization of 86385

Prime factors of 86385 are 3, 5, 13, 443. Prime factorization of 86385 in exponential form is:

86385 = 31 × 51 × 131 × 4431

Prime Factorization of 86391

Prime factors of 86391 are 3, 29, 331. Prime factorization of 86391 in exponential form is:

86391 = 32 × 291 × 3311

Now multiplying the highest exponent prime factors to calculate the LCM of 86385 and 86391.

LCM(86385,86391) = 32 × 51 × 131 × 4431 × 291 × 3311
LCM(86385,86391) = 2487628845