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What is the Least Common Multiple of 38469 and 38478?

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 38469 and 38478 is 493403394.

LCM(38469,38478) = 493403394

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Least Common Multiple of 38469 and 38478 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38469 and 38478, than apply into the LCM equation.

GCF(38469,38478) = 3
LCM(38469,38478) = ( 38469 × 38478) / 3
LCM(38469,38478) = 1480210182 / 3
LCM(38469,38478) = 493403394

Least Common Multiple (LCM) of 38469 and 38478 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38469 and 38478. First we will calculate the prime factors of 38469 and 38478.

Prime Factorization of 38469

Prime factors of 38469 are 3, 12823. Prime factorization of 38469 in exponential form is:

38469 = 31 × 128231

Prime Factorization of 38478

Prime factors of 38478 are 2, 3, 11, 53. Prime factorization of 38478 in exponential form is:

38478 = 21 × 31 × 112 × 531

Now multiplying the highest exponent prime factors to calculate the LCM of 38469 and 38478.

LCM(38469,38478) = 31 × 128231 × 21 × 112 × 531
LCM(38469,38478) = 493403394