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What is the Least Common Multiple of 18223 and 18243?

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 18223 and 18243 is 332442189.

LCM(18223,18243) = 332442189

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Least Common Multiple of 18223 and 18243 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18223 and 18243, than apply into the LCM equation.

GCF(18223,18243) = 1
LCM(18223,18243) = ( 18223 × 18243) / 1
LCM(18223,18243) = 332442189 / 1
LCM(18223,18243) = 332442189

Least Common Multiple (LCM) of 18223 and 18243 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18223 and 18243. First we will calculate the prime factors of 18223 and 18243.

Prime Factorization of 18223

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

18223 = 182231

Prime Factorization of 18243

Prime factors of 18243 are 3, 2027. Prime factorization of 18243 in exponential form is:

18243 = 32 × 20271

Now multiplying the highest exponent prime factors to calculate the LCM of 18223 and 18243.

LCM(18223,18243) = 182231 × 32 × 20271
LCM(18223,18243) = 332442189