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What is the Least Common Multiple of 13893 and 13906?

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 13906 is 193196058.

LCM(13893,13906) = 193196058

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Least Common Multiple of 13893 and 13906 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 13906, than apply into the LCM equation.

GCF(13893,13906) = 1
LCM(13893,13906) = ( 13893 × 13906) / 1
LCM(13893,13906) = 193196058 / 1
LCM(13893,13906) = 193196058

Least Common Multiple (LCM) of 13893 and 13906 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13893 and 13906. First we will calculate the prime factors of 13893 and 13906.

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 13906

Prime factors of 13906 are 2, 17, 409. Prime factorization of 13906 in exponential form is:

13906 = 21 × 171 × 4091

Now multiplying the highest exponent prime factors to calculate the LCM of 13893 and 13906.

LCM(13893,13906) = 31 × 111 × 4211 × 21 × 171 × 4091
LCM(13893,13906) = 193196058