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What is the Least Common Multiple of 3867 and 3885?

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 3867 and 3885 is 5007765.

LCM(3867,3885) = 5007765

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Least Common Multiple of 3867 and 3885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 3867 and 3885, than apply into the LCM equation.

GCF(3867,3885) = 3
LCM(3867,3885) = ( 3867 × 3885) / 3
LCM(3867,3885) = 15023295 / 3
LCM(3867,3885) = 5007765

Least Common Multiple (LCM) of 3867 and 3885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 3867 and 3885. First we will calculate the prime factors of 3867 and 3885.

Prime Factorization of 3867

Prime factors of 3867 are 3, 1289. Prime factorization of 3867 in exponential form is:

3867 = 31 × 12891

Prime Factorization of 3885

Prime factors of 3885 are 3, 5, 7, 37. Prime factorization of 3885 in exponential form is:

3885 = 31 × 51 × 71 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 3867 and 3885.

LCM(3867,3885) = 31 × 12891 × 51 × 71 × 371
LCM(3867,3885) = 5007765