What is the Least Common Multiple of 55878 and 55886?

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 of 55878 and 55886 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55878 and 55886, than apply into the LCM equation.

GCF(55878,55886) = 2
LCM(55878,55886) = ( 55878 × 55886) / 2
LCM(55878,55886) = 3122797908 / 2
LCM(55878,55886) = 1561398954

Least Common Multiple (LCM) of 55878 and 55886 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55878 and 55886. First we will calculate the prime factors of 55878 and 55886.

Prime Factorization of 55878

Prime Factorization of 55886

Now multiplying the highest exponent prime factors to calculate the LCM of 55878 and 55886.

LCM(55878,55886) = 2¹ × 3¹ × 67¹ × 139¹ × 27943¹
LCM(55878,55886) = 1561398954