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What is the Least Common Multiple of 18104 and 18123?

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 18104 and 18123 is 328098792.

LCM(18104,18123) = 328098792

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Least Common Multiple of 18104 and 18123 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18104 and 18123, than apply into the LCM equation.

GCF(18104,18123) = 1
LCM(18104,18123) = ( 18104 × 18123) / 1
LCM(18104,18123) = 328098792 / 1
LCM(18104,18123) = 328098792

Least Common Multiple (LCM) of 18104 and 18123 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18104 and 18123. First we will calculate the prime factors of 18104 and 18123.

Prime Factorization of 18104

Prime factors of 18104 are 2, 31, 73. Prime factorization of 18104 in exponential form is:

18104 = 23 × 311 × 731

Prime Factorization of 18123

Prime factors of 18123 are 3, 7, 863. Prime factorization of 18123 in exponential form is:

18123 = 31 × 71 × 8631

Now multiplying the highest exponent prime factors to calculate the LCM of 18104 and 18123.

LCM(18104,18123) = 23 × 311 × 731 × 31 × 71 × 8631
LCM(18104,18123) = 328098792