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What is the Least Common Multiple of 27405 and 27418?

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 27405 and 27418 is 751390290.

LCM(27405,27418) = 751390290

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Least Common Multiple of 27405 and 27418 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 27405 and 27418, than apply into the LCM equation.

GCF(27405,27418) = 1
LCM(27405,27418) = ( 27405 × 27418) / 1
LCM(27405,27418) = 751390290 / 1
LCM(27405,27418) = 751390290

Least Common Multiple (LCM) of 27405 and 27418 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 27405 and 27418. First we will calculate the prime factors of 27405 and 27418.

Prime Factorization of 27405

Prime factors of 27405 are 3, 5, 7, 29. Prime factorization of 27405 in exponential form is:

27405 = 33 × 51 × 71 × 291

Prime Factorization of 27418

Prime factors of 27418 are 2, 13709. Prime factorization of 27418 in exponential form is:

27418 = 21 × 137091

Now multiplying the highest exponent prime factors to calculate the LCM of 27405 and 27418.

LCM(27405,27418) = 33 × 51 × 71 × 291 × 21 × 137091
LCM(27405,27418) = 751390290