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What is the Least Common Multiple of 6831 and 6849?

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 6831 and 6849 is 5198391.

LCM(6831,6849) = 5198391

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Least Common Multiple of 6831 and 6849 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6831 and 6849, than apply into the LCM equation.

GCF(6831,6849) = 9
LCM(6831,6849) = ( 6831 × 6849) / 9
LCM(6831,6849) = 46785519 / 9
LCM(6831,6849) = 5198391

Least Common Multiple (LCM) of 6831 and 6849 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6831 and 6849. First we will calculate the prime factors of 6831 and 6849.

Prime Factorization of 6831

Prime factors of 6831 are 3, 11, 23. Prime factorization of 6831 in exponential form is:

6831 = 33 × 111 × 231

Prime Factorization of 6849

Prime factors of 6849 are 3, 761. Prime factorization of 6849 in exponential form is:

6849 = 32 × 7611

Now multiplying the highest exponent prime factors to calculate the LCM of 6831 and 6849.

LCM(6831,6849) = 33 × 111 × 231 × 7611
LCM(6831,6849) = 5198391