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What is the Least Common Multiple of 13378 and 13384?

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 13378 and 13384 is 89525576.

LCM(13378,13384) = 89525576

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Least Common Multiple of 13378 and 13384 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13378 and 13384, than apply into the LCM equation.

GCF(13378,13384) = 2
LCM(13378,13384) = ( 13378 × 13384) / 2
LCM(13378,13384) = 179051152 / 2
LCM(13378,13384) = 89525576

Least Common Multiple (LCM) of 13378 and 13384 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13378 and 13384. First we will calculate the prime factors of 13378 and 13384.

Prime Factorization of 13378

Prime factors of 13378 are 2, 6689. Prime factorization of 13378 in exponential form is:

13378 = 21 × 66891

Prime Factorization of 13384

Prime factors of 13384 are 2, 7, 239. Prime factorization of 13384 in exponential form is:

13384 = 23 × 71 × 2391

Now multiplying the highest exponent prime factors to calculate the LCM of 13378 and 13384.

LCM(13378,13384) = 23 × 66891 × 71 × 2391
LCM(13378,13384) = 89525576