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What is the Least Common Multiple of 512 and 531?

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 512 and 531 is 271872.

LCM(512,531) = 271872

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Least Common Multiple of 512 and 531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 512 and 531, than apply into the LCM equation.

GCF(512,531) = 1
LCM(512,531) = ( 512 × 531) / 1
LCM(512,531) = 271872 / 1
LCM(512,531) = 271872

Least Common Multiple (LCM) of 512 and 531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 512 and 531. First we will calculate the prime factors of 512 and 531.

Prime Factorization of 512

Prime factors of 512 are 2. Prime factorization of 512 in exponential form is:

512 = 29

Prime Factorization of 531

Prime factors of 531 are 3, 59. Prime factorization of 531 in exponential form is:

531 = 32 × 591

Now multiplying the highest exponent prime factors to calculate the LCM of 512 and 531.

LCM(512,531) = 29 × 32 × 591
LCM(512,531) = 271872