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What is the Least Common Multiple of 27728 and 27747?

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 27728 and 27747 is 769368816.

LCM(27728,27747) = 769368816

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Least Common Multiple of 27728 and 27747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27728 and 27747, than apply into the LCM equation.

GCF(27728,27747) = 1
LCM(27728,27747) = ( 27728 × 27747) / 1
LCM(27728,27747) = 769368816 / 1
LCM(27728,27747) = 769368816

Least Common Multiple (LCM) of 27728 and 27747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27728 and 27747. First we will calculate the prime factors of 27728 and 27747.

Prime Factorization of 27728

Prime factors of 27728 are 2, 1733. Prime factorization of 27728 in exponential form is:

27728 = 24 × 17331

Prime Factorization of 27747

Prime factors of 27747 are 3, 3083. Prime factorization of 27747 in exponential form is:

27747 = 32 × 30831

Now multiplying the highest exponent prime factors to calculate the LCM of 27728 and 27747.

LCM(27728,27747) = 24 × 17331 × 32 × 30831
LCM(27728,27747) = 769368816