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What is the Least Common Multiple of 12878 and 12885?

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 12878 and 12885 is 165933030.

LCM(12878,12885) = 165933030

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Least Common Multiple of 12878 and 12885 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12878 and 12885, than apply into the LCM equation.

GCF(12878,12885) = 1
LCM(12878,12885) = ( 12878 × 12885) / 1
LCM(12878,12885) = 165933030 / 1
LCM(12878,12885) = 165933030

Least Common Multiple (LCM) of 12878 and 12885 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12878 and 12885. First we will calculate the prime factors of 12878 and 12885.

Prime Factorization of 12878

Prime factors of 12878 are 2, 47, 137. Prime factorization of 12878 in exponential form is:

12878 = 21 × 471 × 1371

Prime Factorization of 12885

Prime factors of 12885 are 3, 5, 859. Prime factorization of 12885 in exponential form is:

12885 = 31 × 51 × 8591

Now multiplying the highest exponent prime factors to calculate the LCM of 12878 and 12885.

LCM(12878,12885) = 21 × 471 × 1371 × 31 × 51 × 8591
LCM(12878,12885) = 165933030