What is the Least Common Multiple of 18388 and 18399?
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 18388 and 18399 is 338320812.
LCM(18388,18399) = 338320812
Least Common Multiple of 18388 and 18399 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18388 and 18399, than apply into the LCM equation.
GCF(18388,18399) = 1
LCM(18388,18399) = ( 18388 × 18399) / 1
LCM(18388,18399) = 338320812 / 1
LCM(18388,18399) = 338320812
Least Common Multiple (LCM) of 18388 and 18399 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18388 and 18399. First we will calculate the prime factors of 18388 and 18399.
Prime Factorization of 18388
Prime factors of 18388 are 2, 4597. Prime factorization of 18388 in exponential form is:
18388 = 22 × 45971
Prime Factorization of 18399
Prime factors of 18399 are 3, 6133. Prime factorization of 18399 in exponential form is:
18399 = 31 × 61331
Now multiplying the highest exponent prime factors to calculate the LCM of 18388 and 18399.
LCM(18388,18399) = 22 × 45971 × 31 × 61331
LCM(18388,18399) = 338320812
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