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What is the Least Common Multiple of 573 and 585?

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 573 and 585 is 111735.

LCM(573,585) = 111735

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Least Common Multiple of 573 and 585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 573 and 585, than apply into the LCM equation.

GCF(573,585) = 3
LCM(573,585) = ( 573 × 585) / 3
LCM(573,585) = 335205 / 3
LCM(573,585) = 111735

Least Common Multiple (LCM) of 573 and 585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 573 and 585. First we will calculate the prime factors of 573 and 585.

Prime Factorization of 573

Prime factors of 573 are 3, 191. Prime factorization of 573 in exponential form is:

573 = 31 × 1911

Prime Factorization of 585

Prime factors of 585 are 3, 5, 13. Prime factorization of 585 in exponential form is:

585 = 32 × 51 × 131

Now multiplying the highest exponent prime factors to calculate the LCM of 573 and 585.

LCM(573,585) = 32 × 1911 × 51 × 131
LCM(573,585) = 111735