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What is the Least Common Multiple of 549 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 549 and 564 is 103212.

LCM(549,564) = 103212

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Least Common Multiple of 549 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 549 and 564, than apply into the LCM equation.

GCF(549,564) = 3
LCM(549,564) = ( 549 × 564) / 3
LCM(549,564) = 309636 / 3
LCM(549,564) = 103212

Least Common Multiple (LCM) of 549 and 564 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 549 and 564. First we will calculate the prime factors of 549 and 564.

Prime Factorization of 549

Prime factors of 549 are 3, 61. Prime factorization of 549 in exponential form is:

549 = 32 × 611

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 549 and 564.

LCM(549,564) = 32 × 611 × 22 × 471
LCM(549,564) = 103212