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What is the Least Common Multiple of 8385 and 8389?

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 8385 and 8389 is 70341765.

LCM(8385,8389) = 70341765

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Least Common Multiple of 8385 and 8389 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8385 and 8389, than apply into the LCM equation.

GCF(8385,8389) = 1
LCM(8385,8389) = ( 8385 × 8389) / 1
LCM(8385,8389) = 70341765 / 1
LCM(8385,8389) = 70341765

Least Common Multiple (LCM) of 8385 and 8389 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8385 and 8389. First we will calculate the prime factors of 8385 and 8389.

Prime Factorization of 8385

Prime factors of 8385 are 3, 5, 13, 43. Prime factorization of 8385 in exponential form is:

8385 = 31 × 51 × 131 × 431

Prime Factorization of 8389

Prime factors of 8389 are 8389. Prime factorization of 8389 in exponential form is:

8389 = 83891

Now multiplying the highest exponent prime factors to calculate the LCM of 8385 and 8389.

LCM(8385,8389) = 31 × 51 × 131 × 431 × 83891
LCM(8385,8389) = 70341765