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What is the Least Common Multiple of 18243 and 18261?

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 18243 and 18261 is 37015047.

LCM(18243,18261) = 37015047

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Least Common Multiple of 18243 and 18261 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18243 and 18261, than apply into the LCM equation.

GCF(18243,18261) = 9
LCM(18243,18261) = ( 18243 × 18261) / 9
LCM(18243,18261) = 333135423 / 9
LCM(18243,18261) = 37015047

Least Common Multiple (LCM) of 18243 and 18261 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18243 and 18261. First we will calculate the prime factors of 18243 and 18261.

Prime Factorization of 18243

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

18243 = 32 × 20271

Prime Factorization of 18261

Prime factors of 18261 are 3, 2029. Prime factorization of 18261 in exponential form is:

18261 = 32 × 20291

Now multiplying the highest exponent prime factors to calculate the LCM of 18243 and 18261.

LCM(18243,18261) = 32 × 20271 × 20291
LCM(18243,18261) = 37015047