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What is the Least Common Multiple of 6786 and 6804?

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 6786 and 6804 is 2565108.

LCM(6786,6804) = 2565108

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Least Common Multiple of 6786 and 6804 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6786 and 6804, than apply into the LCM equation.

GCF(6786,6804) = 18
LCM(6786,6804) = ( 6786 × 6804) / 18
LCM(6786,6804) = 46171944 / 18
LCM(6786,6804) = 2565108

Least Common Multiple (LCM) of 6786 and 6804 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6786 and 6804. First we will calculate the prime factors of 6786 and 6804.

Prime Factorization of 6786

Prime factors of 6786 are 2, 3, 13, 29. Prime factorization of 6786 in exponential form is:

6786 = 21 × 32 × 131 × 291

Prime Factorization of 6804

Prime factors of 6804 are 2, 3, 7. Prime factorization of 6804 in exponential form is:

6804 = 22 × 35 × 71

Now multiplying the highest exponent prime factors to calculate the LCM of 6786 and 6804.

LCM(6786,6804) = 22 × 35 × 131 × 291 × 71
LCM(6786,6804) = 2565108