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What is the Least Common Multiple of 10385 and 10399?

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 10385 and 10399 is 107993615.

LCM(10385,10399) = 107993615

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Least Common Multiple of 10385 and 10399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10385 and 10399, than apply into the LCM equation.

GCF(10385,10399) = 1
LCM(10385,10399) = ( 10385 × 10399) / 1
LCM(10385,10399) = 107993615 / 1
LCM(10385,10399) = 107993615

Least Common Multiple (LCM) of 10385 and 10399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10385 and 10399. First we will calculate the prime factors of 10385 and 10399.

Prime Factorization of 10385

Prime factors of 10385 are 5, 31, 67. Prime factorization of 10385 in exponential form is:

10385 = 51 × 311 × 671

Prime Factorization of 10399

Prime factors of 10399 are 10399. Prime factorization of 10399 in exponential form is:

10399 = 103991

Now multiplying the highest exponent prime factors to calculate the LCM of 10385 and 10399.

LCM(10385,10399) = 51 × 311 × 671 × 103991
LCM(10385,10399) = 107993615