What is the Least Common Multiple of 55470 and 55489?

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 55470 and 55489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55470 and 55489, than apply into the LCM equation.

GCF(55470,55489) = 1
LCM(55470,55489) = ( 55470 × 55489) / 1
LCM(55470,55489) = 3077974830 / 1
LCM(55470,55489) = 3077974830

Least Common Multiple (LCM) of 55470 and 55489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55470 and 55489. First we will calculate the prime factors of 55470 and 55489.

Prime Factorization of 55470

Prime Factorization of 55489

Now multiplying the highest exponent prime factors to calculate the LCM of 55470 and 55489.

LCM(55470,55489) = 2¹ × 3¹ × 5¹ × 43² × 7¹ × 7927¹
LCM(55470,55489) = 3077974830