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What is the Least Common Multiple of 10385 and 10389?

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 10389 is 107889765.

LCM(10385,10389) = 107889765

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Least Common Multiple of 10385 and 10389 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 10389, than apply into the LCM equation.

GCF(10385,10389) = 1
LCM(10385,10389) = ( 10385 × 10389) / 1
LCM(10385,10389) = 107889765 / 1
LCM(10385,10389) = 107889765

Least Common Multiple (LCM) of 10385 and 10389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10385 and 10389. First we will calculate the prime factors of 10385 and 10389.

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 10389

Prime factors of 10389 are 3, 3463. Prime factorization of 10389 in exponential form is:

10389 = 31 × 34631

Now multiplying the highest exponent prime factors to calculate the LCM of 10385 and 10389.

LCM(10385,10389) = 51 × 311 × 671 × 31 × 34631
LCM(10385,10389) = 107889765