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What is the Least Common Multiple of 56805 and 56816?

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 56805 and 56816 is 3227432880.

LCM(56805,56816) = 3227432880

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Least Common Multiple of 56805 and 56816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56805 and 56816, than apply into the LCM equation.

GCF(56805,56816) = 1
LCM(56805,56816) = ( 56805 × 56816) / 1
LCM(56805,56816) = 3227432880 / 1
LCM(56805,56816) = 3227432880

Least Common Multiple (LCM) of 56805 and 56816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56805 and 56816. First we will calculate the prime factors of 56805 and 56816.

Prime Factorization of 56805

Prime factors of 56805 are 3, 5, 7, 541. Prime factorization of 56805 in exponential form is:

56805 = 31 × 51 × 71 × 5411

Prime Factorization of 56816

Prime factors of 56816 are 2, 53, 67. Prime factorization of 56816 in exponential form is:

56816 = 24 × 531 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 56805 and 56816.

LCM(56805,56816) = 31 × 51 × 71 × 5411 × 24 × 531 × 671
LCM(56805,56816) = 3227432880