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What is the Least Common Multiple of 18810 and 18826?

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 18810 and 18826 is 177058530.

LCM(18810,18826) = 177058530

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Least Common Multiple of 18810 and 18826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18810 and 18826, than apply into the LCM equation.

GCF(18810,18826) = 2
LCM(18810,18826) = ( 18810 × 18826) / 2
LCM(18810,18826) = 354117060 / 2
LCM(18810,18826) = 177058530

Least Common Multiple (LCM) of 18810 and 18826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18810 and 18826. First we will calculate the prime factors of 18810 and 18826.

Prime Factorization of 18810

Prime factors of 18810 are 2, 3, 5, 11, 19. Prime factorization of 18810 in exponential form is:

18810 = 21 × 32 × 51 × 111 × 191

Prime Factorization of 18826

Prime factors of 18826 are 2, 9413. Prime factorization of 18826 in exponential form is:

18826 = 21 × 94131

Now multiplying the highest exponent prime factors to calculate the LCM of 18810 and 18826.

LCM(18810,18826) = 21 × 32 × 51 × 111 × 191 × 94131
LCM(18810,18826) = 177058530