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What is the Least Common Multiple of 18140 and 18159?

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 18140 and 18159 is 329404260.

LCM(18140,18159) = 329404260

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Least Common Multiple of 18140 and 18159 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18140 and 18159, than apply into the LCM equation.

GCF(18140,18159) = 1
LCM(18140,18159) = ( 18140 × 18159) / 1
LCM(18140,18159) = 329404260 / 1
LCM(18140,18159) = 329404260

Least Common Multiple (LCM) of 18140 and 18159 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18140 and 18159. First we will calculate the prime factors of 18140 and 18159.

Prime Factorization of 18140

Prime factors of 18140 are 2, 5, 907. Prime factorization of 18140 in exponential form is:

18140 = 22 × 51 × 9071

Prime Factorization of 18159

Prime factors of 18159 are 3, 6053. Prime factorization of 18159 in exponential form is:

18159 = 31 × 60531

Now multiplying the highest exponent prime factors to calculate the LCM of 18140 and 18159.

LCM(18140,18159) = 22 × 51 × 9071 × 31 × 60531
LCM(18140,18159) = 329404260