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What is the Least Common Multiple of 554 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 554 and 573 is 317442.

LCM(554,573) = 317442

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Least Common Multiple of 554 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 554 and 573, than apply into the LCM equation.

GCF(554,573) = 1
LCM(554,573) = ( 554 × 573) / 1
LCM(554,573) = 317442 / 1
LCM(554,573) = 317442

Least Common Multiple (LCM) of 554 and 573 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 554 and 573. First we will calculate the prime factors of 554 and 573.

Prime Factorization of 554

Prime factors of 554 are 2, 277. Prime factorization of 554 in exponential form is:

554 = 21 × 2771

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 554 and 573.

LCM(554,573) = 21 × 2771 × 31 × 1911
LCM(554,573) = 317442