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What is the Least Common Multiple of 13889 and 13899?

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 13889 and 13899 is 193043211.

LCM(13889,13899) = 193043211

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Least Common Multiple of 13889 and 13899 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13889 and 13899, than apply into the LCM equation.

GCF(13889,13899) = 1
LCM(13889,13899) = ( 13889 × 13899) / 1
LCM(13889,13899) = 193043211 / 1
LCM(13889,13899) = 193043211

Least Common Multiple (LCM) of 13889 and 13899 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13889 and 13899. First we will calculate the prime factors of 13889 and 13899.

Prime Factorization of 13889

Prime factors of 13889 are 17, 19, 43. Prime factorization of 13889 in exponential form is:

13889 = 171 × 191 × 431

Prime Factorization of 13899

Prime factors of 13899 are 3, 41, 113. Prime factorization of 13899 in exponential form is:

13899 = 31 × 411 × 1131

Now multiplying the highest exponent prime factors to calculate the LCM of 13889 and 13899.

LCM(13889,13899) = 171 × 191 × 431 × 31 × 411 × 1131
LCM(13889,13899) = 193043211