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What is the Least Common Multiple of 13893 and 13903?

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 13893 and 13903 is 193154379.

LCM(13893,13903) = 193154379

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Least Common Multiple of 13893 and 13903 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13893 and 13903, than apply into the LCM equation.

GCF(13893,13903) = 1
LCM(13893,13903) = ( 13893 × 13903) / 1
LCM(13893,13903) = 193154379 / 1
LCM(13893,13903) = 193154379

Least Common Multiple (LCM) of 13893 and 13903 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13893 and 13903. First we will calculate the prime factors of 13893 and 13903.

Prime Factorization of 13893

Prime factors of 13893 are 3, 11, 421. Prime factorization of 13893 in exponential form is:

13893 = 31 × 111 × 4211

Prime Factorization of 13903

Prime factors of 13903 are 13903. Prime factorization of 13903 in exponential form is:

13903 = 139031

Now multiplying the highest exponent prime factors to calculate the LCM of 13893 and 13903.

LCM(13893,13903) = 31 × 111 × 4211 × 139031
LCM(13893,13903) = 193154379