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What is the Least Common Multiple of 12415 and 12432?

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 12415 and 12432 is 154343280.

LCM(12415,12432) = 154343280

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Least Common Multiple of 12415 and 12432 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12415 and 12432, than apply into the LCM equation.

GCF(12415,12432) = 1
LCM(12415,12432) = ( 12415 × 12432) / 1
LCM(12415,12432) = 154343280 / 1
LCM(12415,12432) = 154343280

Least Common Multiple (LCM) of 12415 and 12432 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12415 and 12432. First we will calculate the prime factors of 12415 and 12432.

Prime Factorization of 12415

Prime factors of 12415 are 5, 13, 191. Prime factorization of 12415 in exponential form is:

12415 = 51 × 131 × 1911

Prime Factorization of 12432

Prime factors of 12432 are 2, 3, 7, 37. Prime factorization of 12432 in exponential form is:

12432 = 24 × 31 × 71 × 371

Now multiplying the highest exponent prime factors to calculate the LCM of 12415 and 12432.

LCM(12415,12432) = 51 × 131 × 1911 × 24 × 31 × 71 × 371
LCM(12415,12432) = 154343280