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What is the Least Common Multiple of 13218 and 13223?

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 13218 and 13223 is 174781614.

LCM(13218,13223) = 174781614

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Least Common Multiple of 13218 and 13223 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13218 and 13223, than apply into the LCM equation.

GCF(13218,13223) = 1
LCM(13218,13223) = ( 13218 × 13223) / 1
LCM(13218,13223) = 174781614 / 1
LCM(13218,13223) = 174781614

Least Common Multiple (LCM) of 13218 and 13223 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13218 and 13223. First we will calculate the prime factors of 13218 and 13223.

Prime Factorization of 13218

Prime factors of 13218 are 2, 3, 2203. Prime factorization of 13218 in exponential form is:

13218 = 21 × 31 × 22031

Prime Factorization of 13223

Prime factors of 13223 are 7, 1889. Prime factorization of 13223 in exponential form is:

13223 = 71 × 18891

Now multiplying the highest exponent prime factors to calculate the LCM of 13218 and 13223.

LCM(13218,13223) = 21 × 31 × 22031 × 71 × 18891
LCM(13218,13223) = 174781614