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What is the Least Common Multiple of 20585 and 20594?

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 20585 and 20594 is 423927490.

LCM(20585,20594) = 423927490

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Least Common Multiple of 20585 and 20594 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20585 and 20594, than apply into the LCM equation.

GCF(20585,20594) = 1
LCM(20585,20594) = ( 20585 × 20594) / 1
LCM(20585,20594) = 423927490 / 1
LCM(20585,20594) = 423927490

Least Common Multiple (LCM) of 20585 and 20594 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20585 and 20594. First we will calculate the prime factors of 20585 and 20594.

Prime Factorization of 20585

Prime factors of 20585 are 5, 23, 179. Prime factorization of 20585 in exponential form is:

20585 = 51 × 231 × 1791

Prime Factorization of 20594

Prime factors of 20594 are 2, 7, 1471. Prime factorization of 20594 in exponential form is:

20594 = 21 × 71 × 14711

Now multiplying the highest exponent prime factors to calculate the LCM of 20585 and 20594.

LCM(20585,20594) = 51 × 231 × 1791 × 21 × 71 × 14711
LCM(20585,20594) = 423927490