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What is the Least Common Multiple of 80385 and 80395?

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 80385 and 80395 is 1292510415.

LCM(80385,80395) = 1292510415

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Least Common Multiple of 80385 and 80395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 80385 and 80395, than apply into the LCM equation.

GCF(80385,80395) = 5
LCM(80385,80395) = ( 80385 × 80395) / 5
LCM(80385,80395) = 6462552075 / 5
LCM(80385,80395) = 1292510415

Least Common Multiple (LCM) of 80385 and 80395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 80385 and 80395. First we will calculate the prime factors of 80385 and 80395.

Prime Factorization of 80385

Prime factors of 80385 are 3, 5, 23, 233. Prime factorization of 80385 in exponential form is:

80385 = 31 × 51 × 231 × 2331

Prime Factorization of 80395

Prime factors of 80395 are 5, 7, 2297. Prime factorization of 80395 in exponential form is:

80395 = 51 × 71 × 22971

Now multiplying the highest exponent prime factors to calculate the LCM of 80385 and 80395.

LCM(80385,80395) = 31 × 51 × 231 × 2331 × 71 × 22971
LCM(80385,80395) = 1292510415