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What is the Least Common Multiple of 12585 and 12589?

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 12585 and 12589 is 158432565.

LCM(12585,12589) = 158432565

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Least Common Multiple of 12585 and 12589 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12585 and 12589, than apply into the LCM equation.

GCF(12585,12589) = 1
LCM(12585,12589) = ( 12585 × 12589) / 1
LCM(12585,12589) = 158432565 / 1
LCM(12585,12589) = 158432565

Least Common Multiple (LCM) of 12585 and 12589 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12585 and 12589. First we will calculate the prime factors of 12585 and 12589.

Prime Factorization of 12585

Prime factors of 12585 are 3, 5, 839. Prime factorization of 12585 in exponential form is:

12585 = 31 × 51 × 8391

Prime Factorization of 12589

Prime factors of 12589 are 12589. Prime factorization of 12589 in exponential form is:

12589 = 125891

Now multiplying the highest exponent prime factors to calculate the LCM of 12585 and 12589.

LCM(12585,12589) = 31 × 51 × 8391 × 125891
LCM(12585,12589) = 158432565