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What is the Least Common Multiple of 558 and 564?

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 558 and 564 is 52452.

LCM(558,564) = 52452

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Least Common Multiple of 558 and 564 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 558 and 564, than apply into the LCM equation.

GCF(558,564) = 6
LCM(558,564) = ( 558 × 564) / 6
LCM(558,564) = 314712 / 6
LCM(558,564) = 52452

Least Common Multiple (LCM) of 558 and 564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 558 and 564. First we will calculate the prime factors of 558 and 564.

Prime Factorization of 558

Prime factors of 558 are 2, 3, 31. Prime factorization of 558 in exponential form is:

558 = 21 × 32 × 311

Prime Factorization of 564

Prime factors of 564 are 2, 3, 47. Prime factorization of 564 in exponential form is:

564 = 22 × 31 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 558 and 564.

LCM(558,564) = 22 × 32 × 311 × 471
LCM(558,564) = 52452