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What is the Least Common Multiple of 18504 and 18517?

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 18504 and 18517 is 342638568.

LCM(18504,18517) = 342638568

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Least Common Multiple of 18504 and 18517 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18504 and 18517, than apply into the LCM equation.

GCF(18504,18517) = 1
LCM(18504,18517) = ( 18504 × 18517) / 1
LCM(18504,18517) = 342638568 / 1
LCM(18504,18517) = 342638568

Least Common Multiple (LCM) of 18504 and 18517 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18504 and 18517. First we will calculate the prime factors of 18504 and 18517.

Prime Factorization of 18504

Prime factors of 18504 are 2, 3, 257. Prime factorization of 18504 in exponential form is:

18504 = 23 × 32 × 2571

Prime Factorization of 18517

Prime factors of 18517 are 18517. Prime factorization of 18517 in exponential form is:

18517 = 185171

Now multiplying the highest exponent prime factors to calculate the LCM of 18504 and 18517.

LCM(18504,18517) = 23 × 32 × 2571 × 185171
LCM(18504,18517) = 342638568