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What is the Least Common Multiple of 12872 and 12886?

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 12872 and 12886 is 82934296.

LCM(12872,12886) = 82934296

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Least Common Multiple of 12872 and 12886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12872 and 12886, than apply into the LCM equation.

GCF(12872,12886) = 2
LCM(12872,12886) = ( 12872 × 12886) / 2
LCM(12872,12886) = 165868592 / 2
LCM(12872,12886) = 82934296

Least Common Multiple (LCM) of 12872 and 12886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12872 and 12886. First we will calculate the prime factors of 12872 and 12886.

Prime Factorization of 12872

Prime factors of 12872 are 2, 1609. Prime factorization of 12872 in exponential form is:

12872 = 23 × 16091

Prime Factorization of 12886

Prime factors of 12886 are 2, 17, 379. Prime factorization of 12886 in exponential form is:

12886 = 21 × 171 × 3791

Now multiplying the highest exponent prime factors to calculate the LCM of 12872 and 12886.

LCM(12872,12886) = 23 × 16091 × 171 × 3791
LCM(12872,12886) = 82934296