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What is the Least Common Multiple of 6854 and 6861?

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 6854 and 6861 is 47025294.

LCM(6854,6861) = 47025294

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Least Common Multiple of 6854 and 6861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 6854 and 6861, than apply into the LCM equation.

GCF(6854,6861) = 1
LCM(6854,6861) = ( 6854 × 6861) / 1
LCM(6854,6861) = 47025294 / 1
LCM(6854,6861) = 47025294

Least Common Multiple (LCM) of 6854 and 6861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 6854 and 6861. First we will calculate the prime factors of 6854 and 6861.

Prime Factorization of 6854

Prime factors of 6854 are 2, 23, 149. Prime factorization of 6854 in exponential form is:

6854 = 21 × 231 × 1491

Prime Factorization of 6861

Prime factors of 6861 are 3, 2287. Prime factorization of 6861 in exponential form is:

6861 = 31 × 22871

Now multiplying the highest exponent prime factors to calculate the LCM of 6854 and 6861.

LCM(6854,6861) = 21 × 231 × 1491 × 31 × 22871
LCM(6854,6861) = 47025294