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What is the Least Common Multiple of 18216 and 18223?

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 18216 and 18223 is 331950168.

LCM(18216,18223) = 331950168

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Least Common Multiple of 18216 and 18223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18216 and 18223, than apply into the LCM equation.

GCF(18216,18223) = 1
LCM(18216,18223) = ( 18216 × 18223) / 1
LCM(18216,18223) = 331950168 / 1
LCM(18216,18223) = 331950168

Least Common Multiple (LCM) of 18216 and 18223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18216 and 18223. First we will calculate the prime factors of 18216 and 18223.

Prime Factorization of 18216

Prime factors of 18216 are 2, 3, 11, 23. Prime factorization of 18216 in exponential form is:

18216 = 23 × 32 × 111 × 231

Prime Factorization of 18223

Prime factors of 18223 are 18223. Prime factorization of 18223 in exponential form is:

18223 = 182231

Now multiplying the highest exponent prime factors to calculate the LCM of 18216 and 18223.

LCM(18216,18223) = 23 × 32 × 111 × 231 × 182231
LCM(18216,18223) = 331950168