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What is the Least Common Multiple of 55865 and 55878?

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 55865 and 55878 is 3121624470.

LCM(55865,55878) = 3121624470

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Least Common Multiple of 55865 and 55878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55865 and 55878, than apply into the LCM equation.

GCF(55865,55878) = 1
LCM(55865,55878) = ( 55865 × 55878) / 1
LCM(55865,55878) = 3121624470 / 1
LCM(55865,55878) = 3121624470

Least Common Multiple (LCM) of 55865 and 55878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55865 and 55878. First we will calculate the prime factors of 55865 and 55878.

Prime Factorization of 55865

Prime factors of 55865 are 5, 11173. Prime factorization of 55865 in exponential form is:

55865 = 51 × 111731

Prime Factorization of 55878

Prime factors of 55878 are 2, 3, 67, 139. Prime factorization of 55878 in exponential form is:

55878 = 21 × 31 × 671 × 1391

Now multiplying the highest exponent prime factors to calculate the LCM of 55865 and 55878.

LCM(55865,55878) = 51 × 111731 × 21 × 31 × 671 × 1391
LCM(55865,55878) = 3121624470