What is the Least Common Multiple of 55478 and 55498?

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 55478 and 55498 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55478 and 55498, than apply into the LCM equation.

GCF(55478,55498) = 2
LCM(55478,55498) = ( 55478 × 55498) / 2
LCM(55478,55498) = 3078918044 / 2
LCM(55478,55498) = 1539459022

Least Common Multiple (LCM) of 55478 and 55498 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55478 and 55498. First we will calculate the prime factors of 55478 and 55498.

Prime Factorization of 55478

Prime Factorization of 55498

Now multiplying the highest exponent prime factors to calculate the LCM of 55478 and 55498.

LCM(55478,55498) = 2¹ × 27739¹ × 27749¹
LCM(55478,55498) = 1539459022