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What is the Least Common Multiple of 4385 and 4395?

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 4385 and 4395 is 3854415.

LCM(4385,4395) = 3854415

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Least Common Multiple of 4385 and 4395 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4385 and 4395, than apply into the LCM equation.

GCF(4385,4395) = 5
LCM(4385,4395) = ( 4385 × 4395) / 5
LCM(4385,4395) = 19272075 / 5
LCM(4385,4395) = 3854415

Least Common Multiple (LCM) of 4385 and 4395 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4385 and 4395. First we will calculate the prime factors of 4385 and 4395.

Prime Factorization of 4385

Prime factors of 4385 are 5, 877. Prime factorization of 4385 in exponential form is:

4385 = 51 × 8771

Prime Factorization of 4395

Prime factors of 4395 are 3, 5, 293. Prime factorization of 4395 in exponential form is:

4395 = 31 × 51 × 2931

Now multiplying the highest exponent prime factors to calculate the LCM of 4385 and 4395.

LCM(4385,4395) = 51 × 8771 × 31 × 2931
LCM(4385,4395) = 3854415