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What is the Least Common Multiple of 18427 and 18447?

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 18427 and 18447 is 339922869.

LCM(18427,18447) = 339922869

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Least Common Multiple of 18427 and 18447 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18427 and 18447, than apply into the LCM equation.

GCF(18427,18447) = 1
LCM(18427,18447) = ( 18427 × 18447) / 1
LCM(18427,18447) = 339922869 / 1
LCM(18427,18447) = 339922869

Least Common Multiple (LCM) of 18427 and 18447 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18427 and 18447. First we will calculate the prime factors of 18427 and 18447.

Prime Factorization of 18427

Prime factors of 18427 are 18427. Prime factorization of 18427 in exponential form is:

18427 = 184271

Prime Factorization of 18447

Prime factors of 18447 are 3, 11, 13, 43. Prime factorization of 18447 in exponential form is:

18447 = 31 × 111 × 131 × 431

Now multiplying the highest exponent prime factors to calculate the LCM of 18427 and 18447.

LCM(18427,18447) = 184271 × 31 × 111 × 131 × 431
LCM(18427,18447) = 339922869