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What is the Least Common Multiple of 18361 and 18380?

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 18361 and 18380 is 337475180.

LCM(18361,18380) = 337475180

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Least Common Multiple of 18361 and 18380 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18361 and 18380, than apply into the LCM equation.

GCF(18361,18380) = 1
LCM(18361,18380) = ( 18361 × 18380) / 1
LCM(18361,18380) = 337475180 / 1
LCM(18361,18380) = 337475180

Least Common Multiple (LCM) of 18361 and 18380 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18361 and 18380. First we will calculate the prime factors of 18361 and 18380.

Prime Factorization of 18361

Prime factors of 18361 are 7, 43, 61. Prime factorization of 18361 in exponential form is:

18361 = 71 × 431 × 611

Prime Factorization of 18380

Prime factors of 18380 are 2, 5, 919. Prime factorization of 18380 in exponential form is:

18380 = 22 × 51 × 9191

Now multiplying the highest exponent prime factors to calculate the LCM of 18361 and 18380.

LCM(18361,18380) = 71 × 431 × 611 × 22 × 51 × 9191
LCM(18361,18380) = 337475180