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What is the Least Common Multiple of 555 and 573?

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 555 and 573 is 106005.

LCM(555,573) = 106005

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Least Common Multiple of 555 and 573 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 555 and 573, than apply into the LCM equation.

GCF(555,573) = 3
LCM(555,573) = ( 555 × 573) / 3
LCM(555,573) = 318015 / 3
LCM(555,573) = 106005

Least Common Multiple (LCM) of 555 and 573 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 555 and 573. First we will calculate the prime factors of 555 and 573.

Prime Factorization of 555

Prime factors of 555 are 3, 5, 37. Prime factorization of 555 in exponential form is:

555 = 31 × 51 × 371

Prime Factorization of 573

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

573 = 31 × 1911

Now multiplying the highest exponent prime factors to calculate the LCM of 555 and 573.

LCM(555,573) = 31 × 51 × 371 × 1911
LCM(555,573) = 106005