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What is the Least Common Multiple of 6885 and 6897?

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 6885 and 6897 is 15828615.

LCM(6885,6897) = 15828615

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Least Common Multiple of 6885 and 6897 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6885 and 6897, than apply into the LCM equation.

GCF(6885,6897) = 3
LCM(6885,6897) = ( 6885 × 6897) / 3
LCM(6885,6897) = 47485845 / 3
LCM(6885,6897) = 15828615

Least Common Multiple (LCM) of 6885 and 6897 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6885 and 6897. First we will calculate the prime factors of 6885 and 6897.

Prime Factorization of 6885

Prime factors of 6885 are 3, 5, 17. Prime factorization of 6885 in exponential form is:

6885 = 34 × 51 × 171

Prime Factorization of 6897

Prime factors of 6897 are 3, 11, 19. Prime factorization of 6897 in exponential form is:

6897 = 31 × 112 × 191

Now multiplying the highest exponent prime factors to calculate the LCM of 6885 and 6897.

LCM(6885,6897) = 34 × 51 × 171 × 112 × 191
LCM(6885,6897) = 15828615