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What is the Least Common Multiple of 18060 and 18076?

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 18060 and 18076 is 81613140.

LCM(18060,18076) = 81613140

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Least Common Multiple of 18060 and 18076 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18060 and 18076, than apply into the LCM equation.

GCF(18060,18076) = 4
LCM(18060,18076) = ( 18060 × 18076) / 4
LCM(18060,18076) = 326452560 / 4
LCM(18060,18076) = 81613140

Least Common Multiple (LCM) of 18060 and 18076 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18060 and 18076. First we will calculate the prime factors of 18060 and 18076.

Prime Factorization of 18060

Prime factors of 18060 are 2, 3, 5, 7, 43. Prime factorization of 18060 in exponential form is:

18060 = 22 × 31 × 51 × 71 × 431

Prime Factorization of 18076

Prime factors of 18076 are 2, 4519. Prime factorization of 18076 in exponential form is:

18076 = 22 × 45191

Now multiplying the highest exponent prime factors to calculate the LCM of 18060 and 18076.

LCM(18060,18076) = 22 × 31 × 51 × 71 × 431 × 45191
LCM(18060,18076) = 81613140