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What is the Least Common Multiple of 13878 and 13892?

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 13878 and 13892 is 96396588.

LCM(13878,13892) = 96396588

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Least Common Multiple of 13878 and 13892 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13878 and 13892, than apply into the LCM equation.

GCF(13878,13892) = 2
LCM(13878,13892) = ( 13878 × 13892) / 2
LCM(13878,13892) = 192793176 / 2
LCM(13878,13892) = 96396588

Least Common Multiple (LCM) of 13878 and 13892 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13878 and 13892. First we will calculate the prime factors of 13878 and 13892.

Prime Factorization of 13878

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

13878 = 21 × 33 × 2571

Prime Factorization of 13892

Prime factors of 13892 are 2, 23, 151. Prime factorization of 13892 in exponential form is:

13892 = 22 × 231 × 1511

Now multiplying the highest exponent prime factors to calculate the LCM of 13878 and 13892.

LCM(13878,13892) = 22 × 33 × 2571 × 231 × 1511
LCM(13878,13892) = 96396588