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What is the Least Common Multiple of 13864 and 13878?

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 13864 and 13878 is 96202296.

LCM(13864,13878) = 96202296

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Least Common Multiple of 13864 and 13878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13864 and 13878, than apply into the LCM equation.

GCF(13864,13878) = 2
LCM(13864,13878) = ( 13864 × 13878) / 2
LCM(13864,13878) = 192404592 / 2
LCM(13864,13878) = 96202296

Least Common Multiple (LCM) of 13864 and 13878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13864 and 13878. First we will calculate the prime factors of 13864 and 13878.

Prime Factorization of 13864

Prime factors of 13864 are 2, 1733. Prime factorization of 13864 in exponential form is:

13864 = 23 × 17331

Prime Factorization of 13878

Prime factors of 13878 are 2, 3, 257. Prime factorization of 13878 in exponential form is:

13878 = 21 × 33 × 2571

Now multiplying the highest exponent prime factors to calculate the LCM of 13864 and 13878.

LCM(13864,13878) = 23 × 17331 × 33 × 2571
LCM(13864,13878) = 96202296