What is the Least Common Multiple of 18411 and 18423?
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 18411 and 18423 is 113061951.
LCM(18411,18423) = 113061951
Least Common Multiple of 18411 and 18423 with GCF Formula
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18411 and 18423, than apply into the LCM equation.
GCF(18411,18423) = 3
LCM(18411,18423) = ( 18411 × 18423) / 3
LCM(18411,18423) = 339185853 / 3
LCM(18411,18423) = 113061951
Least Common Multiple (LCM) of 18411 and 18423 with Primes
Least common multiple can be found by multiplying the highest exponent prime factors of 18411 and 18423. First we will calculate the prime factors of 18411 and 18423.
Prime Factorization of 18411
Prime factors of 18411 are 3, 17, 19. Prime factorization of 18411 in exponential form is:
18411 = 31 × 171 × 192
Prime Factorization of 18423
Prime factors of 18423 are 3, 23, 89. Prime factorization of 18423 in exponential form is:
18423 = 32 × 231 × 891
Now multiplying the highest exponent prime factors to calculate the LCM of 18411 and 18423.
LCM(18411,18423) = 32 × 171 × 192 × 231 × 891
LCM(18411,18423) = 113061951
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