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What is the Least Common Multiple of 12479 and 12486?

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 12479 and 12486 is 155812794.

LCM(12479,12486) = 155812794

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Least Common Multiple of 12479 and 12486 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12479 and 12486, than apply into the LCM equation.

GCF(12479,12486) = 1
LCM(12479,12486) = ( 12479 × 12486) / 1
LCM(12479,12486) = 155812794 / 1
LCM(12479,12486) = 155812794

Least Common Multiple (LCM) of 12479 and 12486 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12479 and 12486. First we will calculate the prime factors of 12479 and 12486.

Prime Factorization of 12479

Prime factors of 12479 are 12479. Prime factorization of 12479 in exponential form is:

12479 = 124791

Prime Factorization of 12486

Prime factors of 12486 are 2, 3, 2081. Prime factorization of 12486 in exponential form is:

12486 = 21 × 31 × 20811

Now multiplying the highest exponent prime factors to calculate the LCM of 12479 and 12486.

LCM(12479,12486) = 124791 × 21 × 31 × 20811
LCM(12479,12486) = 155812794