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What is the Least Common Multiple of 38478 and 38488?

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 38478 and 38488 is 740470632.

LCM(38478,38488) = 740470632

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Least Common Multiple of 38478 and 38488 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 38478 and 38488, than apply into the LCM equation.

GCF(38478,38488) = 2
LCM(38478,38488) = ( 38478 × 38488) / 2
LCM(38478,38488) = 1480941264 / 2
LCM(38478,38488) = 740470632

Least Common Multiple (LCM) of 38478 and 38488 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 38478 and 38488. First we will calculate the prime factors of 38478 and 38488.

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

Prime Factorization of 38488

Prime factors of 38488 are 2, 17, 283. Prime factorization of 38488 in exponential form is:

38488 = 23 × 171 × 2831

Now multiplying the highest exponent prime factors to calculate the LCM of 38478 and 38488.

LCM(38478,38488) = 23 × 31 × 112 × 531 × 171 × 2831
LCM(38478,38488) = 740470632