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What is the Least Common Multiple of 64536 and 64554?

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 64536 and 64554 is 694342824.

LCM(64536,64554) = 694342824

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Least Common Multiple of 64536 and 64554 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 64536 and 64554, than apply into the LCM equation.

GCF(64536,64554) = 6
LCM(64536,64554) = ( 64536 × 64554) / 6
LCM(64536,64554) = 4166056944 / 6
LCM(64536,64554) = 694342824

Least Common Multiple (LCM) of 64536 and 64554 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 64536 and 64554. First we will calculate the prime factors of 64536 and 64554.

Prime Factorization of 64536

Prime factors of 64536 are 2, 3, 2689. Prime factorization of 64536 in exponential form is:

64536 = 23 × 31 × 26891

Prime Factorization of 64554

Prime factors of 64554 are 2, 3, 7, 29, 53. Prime factorization of 64554 in exponential form is:

64554 = 21 × 31 × 71 × 291 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 64536 and 64554.

LCM(64536,64554) = 23 × 31 × 26891 × 71 × 291 × 531
LCM(64536,64554) = 694342824