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What is the Least Common Multiple of 18395 and 18404?

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 18395 and 18404 is 338541580.

LCM(18395,18404) = 338541580

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Least Common Multiple of 18395 and 18404 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18395 and 18404, than apply into the LCM equation.

GCF(18395,18404) = 1
LCM(18395,18404) = ( 18395 × 18404) / 1
LCM(18395,18404) = 338541580 / 1
LCM(18395,18404) = 338541580

Least Common Multiple (LCM) of 18395 and 18404 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18395 and 18404. First we will calculate the prime factors of 18395 and 18404.

Prime Factorization of 18395

Prime factors of 18395 are 5, 13, 283. Prime factorization of 18395 in exponential form is:

18395 = 51 × 131 × 2831

Prime Factorization of 18404

Prime factors of 18404 are 2, 43, 107. Prime factorization of 18404 in exponential form is:

18404 = 22 × 431 × 1071

Now multiplying the highest exponent prime factors to calculate the LCM of 18395 and 18404.

LCM(18395,18404) = 51 × 131 × 2831 × 22 × 431 × 1071
LCM(18395,18404) = 338541580