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What is the Least Common Multiple of 20585 and 20604?

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 20604 is 424133340.

LCM(20585,20604) = 424133340

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Least Common Multiple of 20585 and 20604 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 20604, than apply into the LCM equation.

GCF(20585,20604) = 1
LCM(20585,20604) = ( 20585 × 20604) / 1
LCM(20585,20604) = 424133340 / 1
LCM(20585,20604) = 424133340

Least Common Multiple (LCM) of 20585 and 20604 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20585 and 20604. First we will calculate the prime factors of 20585 and 20604.

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 20604

Prime factors of 20604 are 2, 3, 17, 101. Prime factorization of 20604 in exponential form is:

20604 = 22 × 31 × 171 × 1011

Now multiplying the highest exponent prime factors to calculate the LCM of 20585 and 20604.

LCM(20585,20604) = 51 × 231 × 1791 × 22 × 31 × 171 × 1011
LCM(20585,20604) = 424133340