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What is the Least Common Multiple of 84566 and 84578?

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 84566 and 84578 is 3576211574.

LCM(84566,84578) = 3576211574

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Least Common Multiple of 84566 and 84578 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84566 and 84578, than apply into the LCM equation.

GCF(84566,84578) = 2
LCM(84566,84578) = ( 84566 × 84578) / 2
LCM(84566,84578) = 7152423148 / 2
LCM(84566,84578) = 3576211574

Least Common Multiple (LCM) of 84566 and 84578 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84566 and 84578. First we will calculate the prime factors of 84566 and 84578.

Prime Factorization of 84566

Prime factors of 84566 are 2, 42283. Prime factorization of 84566 in exponential form is:

84566 = 21 × 422831

Prime Factorization of 84578

Prime factors of 84578 are 2, 13, 3253. Prime factorization of 84578 in exponential form is:

84578 = 21 × 131 × 32531

Now multiplying the highest exponent prime factors to calculate the LCM of 84566 and 84578.

LCM(84566,84578) = 21 × 422831 × 131 × 32531
LCM(84566,84578) = 3576211574