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What is the Least Common Multiple of 18105 and 18113?

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 18105 and 18113 is 327935865.

LCM(18105,18113) = 327935865

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Least Common Multiple of 18105 and 18113 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18105 and 18113, than apply into the LCM equation.

GCF(18105,18113) = 1
LCM(18105,18113) = ( 18105 × 18113) / 1
LCM(18105,18113) = 327935865 / 1
LCM(18105,18113) = 327935865

Least Common Multiple (LCM) of 18105 and 18113 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18105 and 18113. First we will calculate the prime factors of 18105 and 18113.

Prime Factorization of 18105

Prime factors of 18105 are 3, 5, 17, 71. Prime factorization of 18105 in exponential form is:

18105 = 31 × 51 × 171 × 711

Prime Factorization of 18113

Prime factors of 18113 are 59, 307. Prime factorization of 18113 in exponential form is:

18113 = 591 × 3071

Now multiplying the highest exponent prime factors to calculate the LCM of 18105 and 18113.

LCM(18105,18113) = 31 × 51 × 171 × 711 × 591 × 3071
LCM(18105,18113) = 327935865