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What is the Least Common Multiple of 64512 and 64531?

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 64512 and 64531 is 4163023872.

LCM(64512,64531) = 4163023872

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Least Common Multiple of 64512 and 64531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64512 and 64531, than apply into the LCM equation.

GCF(64512,64531) = 1
LCM(64512,64531) = ( 64512 × 64531) / 1
LCM(64512,64531) = 4163023872 / 1
LCM(64512,64531) = 4163023872

Least Common Multiple (LCM) of 64512 and 64531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64512 and 64531. First we will calculate the prime factors of 64512 and 64531.

Prime Factorization of 64512

Prime factors of 64512 are 2, 3, 7. Prime factorization of 64512 in exponential form is:

64512 = 210 × 32 × 71

Prime Factorization of 64531

Prime factors of 64531 are 47, 1373. Prime factorization of 64531 in exponential form is:

64531 = 471 × 13731

Now multiplying the highest exponent prime factors to calculate the LCM of 64512 and 64531.

LCM(64512,64531) = 210 × 32 × 71 × 471 × 13731
LCM(64512,64531) = 4163023872