What is the Least Common Multiple of 55489 and 55503?

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 55489 and 55503 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55489 and 55503, than apply into the LCM equation.

GCF(55489,55503) = 7
LCM(55489,55503) = ( 55489 × 55503) / 7
LCM(55489,55503) = 3079805967 / 7
LCM(55489,55503) = 439972281

Least Common Multiple (LCM) of 55489 and 55503 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55489 and 55503. First we will calculate the prime factors of 55489 and 55503.

Prime Factorization of 55489

Prime Factorization of 55503

Now multiplying the highest exponent prime factors to calculate the LCM of 55489 and 55503.

LCM(55489,55503) = 7¹ × 7927¹ × 3² × 881¹
LCM(55489,55503) = 439972281