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What is the Least Common Multiple of 18168 and 18173?

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 18168 and 18173 is 330167064.

LCM(18168,18173) = 330167064

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Least Common Multiple of 18168 and 18173 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18168 and 18173, than apply into the LCM equation.

GCF(18168,18173) = 1
LCM(18168,18173) = ( 18168 × 18173) / 1
LCM(18168,18173) = 330167064 / 1
LCM(18168,18173) = 330167064

Least Common Multiple (LCM) of 18168 and 18173 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18168 and 18173. First we will calculate the prime factors of 18168 and 18173.

Prime Factorization of 18168

Prime factors of 18168 are 2, 3, 757. Prime factorization of 18168 in exponential form is:

18168 = 23 × 31 × 7571

Prime Factorization of 18173

Prime factors of 18173 are 17, 1069. Prime factorization of 18173 in exponential form is:

18173 = 171 × 10691

Now multiplying the highest exponent prime factors to calculate the LCM of 18168 and 18173.

LCM(18168,18173) = 23 × 31 × 7571 × 171 × 10691
LCM(18168,18173) = 330167064