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What is the Least Common Multiple of 20585 and 20598?

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 20598 is 424009830.

LCM(20585,20598) = 424009830

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Least Common Multiple of 20585 and 20598 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 20598, than apply into the LCM equation.

GCF(20585,20598) = 1
LCM(20585,20598) = ( 20585 × 20598) / 1
LCM(20585,20598) = 424009830 / 1
LCM(20585,20598) = 424009830

Least Common Multiple (LCM) of 20585 and 20598 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20585 and 20598. First we will calculate the prime factors of 20585 and 20598.

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 20598

Prime factors of 20598 are 2, 3, 3433. Prime factorization of 20598 in exponential form is:

20598 = 21 × 31 × 34331

Now multiplying the highest exponent prime factors to calculate the LCM of 20585 and 20598.

LCM(20585,20598) = 51 × 231 × 1791 × 21 × 31 × 34331
LCM(20585,20598) = 424009830