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What is the Least Common Multiple of 18521 and 18529?

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 18521 and 18529 is 343175609.

LCM(18521,18529) = 343175609

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Least Common Multiple of 18521 and 18529 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18521 and 18529, than apply into the LCM equation.

GCF(18521,18529) = 1
LCM(18521,18529) = ( 18521 × 18529) / 1
LCM(18521,18529) = 343175609 / 1
LCM(18521,18529) = 343175609

Least Common Multiple (LCM) of 18521 and 18529 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18521 and 18529. First we will calculate the prime factors of 18521 and 18529.

Prime Factorization of 18521

Prime factors of 18521 are 18521. Prime factorization of 18521 in exponential form is:

18521 = 185211

Prime Factorization of 18529

Prime factors of 18529 are 7, 2647. Prime factorization of 18529 in exponential form is:

18529 = 71 × 26471

Now multiplying the highest exponent prime factors to calculate the LCM of 18521 and 18529.

LCM(18521,18529) = 185211 × 71 × 26471
LCM(18521,18529) = 343175609