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What is the Least Common Multiple of 56764 and 56784?

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 56764 and 56784 is 805821744.

LCM(56764,56784) = 805821744

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Least Common Multiple of 56764 and 56784 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56764 and 56784, than apply into the LCM equation.

GCF(56764,56784) = 4
LCM(56764,56784) = ( 56764 × 56784) / 4
LCM(56764,56784) = 3223286976 / 4
LCM(56764,56784) = 805821744

Least Common Multiple (LCM) of 56764 and 56784 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56764 and 56784. First we will calculate the prime factors of 56764 and 56784.

Prime Factorization of 56764

Prime factors of 56764 are 2, 23, 617. Prime factorization of 56764 in exponential form is:

56764 = 22 × 231 × 6171

Prime Factorization of 56784

Prime factors of 56784 are 2, 3, 7, 13. Prime factorization of 56784 in exponential form is:

56784 = 24 × 31 × 71 × 132

Now multiplying the highest exponent prime factors to calculate the LCM of 56764 and 56784.

LCM(56764,56784) = 24 × 231 × 6171 × 31 × 71 × 132
LCM(56764,56784) = 805821744