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What is the Least Common Multiple of 56736 and 56746?

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 56736 and 56746 is 1609770528.

LCM(56736,56746) = 1609770528

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Least Common Multiple of 56736 and 56746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56736 and 56746, than apply into the LCM equation.

GCF(56736,56746) = 2
LCM(56736,56746) = ( 56736 × 56746) / 2
LCM(56736,56746) = 3219541056 / 2
LCM(56736,56746) = 1609770528

Least Common Multiple (LCM) of 56736 and 56746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56736 and 56746. First we will calculate the prime factors of 56736 and 56746.

Prime Factorization of 56736

Prime factors of 56736 are 2, 3, 197. Prime factorization of 56736 in exponential form is:

56736 = 25 × 32 × 1971

Prime Factorization of 56746

Prime factors of 56746 are 2, 17, 1669. Prime factorization of 56746 in exponential form is:

56746 = 21 × 171 × 16691

Now multiplying the highest exponent prime factors to calculate the LCM of 56736 and 56746.

LCM(56736,56746) = 25 × 32 × 1971 × 171 × 16691
LCM(56736,56746) = 1609770528