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What is the Least Common Multiple of 6805 and 6816?

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 6805 and 6816 is 46382880.

LCM(6805,6816) = 46382880

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Least Common Multiple of 6805 and 6816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6805 and 6816, than apply into the LCM equation.

GCF(6805,6816) = 1
LCM(6805,6816) = ( 6805 × 6816) / 1
LCM(6805,6816) = 46382880 / 1
LCM(6805,6816) = 46382880

Least Common Multiple (LCM) of 6805 and 6816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6805 and 6816. First we will calculate the prime factors of 6805 and 6816.

Prime Factorization of 6805

Prime factors of 6805 are 5, 1361. Prime factorization of 6805 in exponential form is:

6805 = 51 × 13611

Prime Factorization of 6816

Prime factors of 6816 are 2, 3, 71. Prime factorization of 6816 in exponential form is:

6816 = 25 × 31 × 711

Now multiplying the highest exponent prime factors to calculate the LCM of 6805 and 6816.

LCM(6805,6816) = 51 × 13611 × 25 × 31 × 711
LCM(6805,6816) = 46382880