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What is the Least Common Multiple of 12504 and 12520?

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 12504 and 12520 is 19568760.

LCM(12504,12520) = 19568760

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Least Common Multiple of 12504 and 12520 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12504 and 12520, than apply into the LCM equation.

GCF(12504,12520) = 8
LCM(12504,12520) = ( 12504 × 12520) / 8
LCM(12504,12520) = 156550080 / 8
LCM(12504,12520) = 19568760

Least Common Multiple (LCM) of 12504 and 12520 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12504 and 12520. First we will calculate the prime factors of 12504 and 12520.

Prime Factorization of 12504

Prime factors of 12504 are 2, 3, 521. Prime factorization of 12504 in exponential form is:

12504 = 23 × 31 × 5211

Prime Factorization of 12520

Prime factors of 12520 are 2, 5, 313. Prime factorization of 12520 in exponential form is:

12520 = 23 × 51 × 3131

Now multiplying the highest exponent prime factors to calculate the LCM of 12504 and 12520.

LCM(12504,12520) = 23 × 31 × 5211 × 51 × 3131
LCM(12504,12520) = 19568760