What is the Least Common Multiple of 53421 and 53428?

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 53421 and 53428 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 53421 and 53428, than apply into the LCM equation.

GCF(53421,53428) = 1
LCM(53421,53428) = ( 53421 × 53428) / 1
LCM(53421,53428) = 2854177188 / 1
LCM(53421,53428) = 2854177188

Least Common Multiple (LCM) of 53421 and 53428 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 53421 and 53428. First we will calculate the prime factors of 53421 and 53428.

Prime Factorization of 53421

Prime Factorization of 53428

Now multiplying the highest exponent prime factors to calculate the LCM of 53421 and 53428.

LCM(53421,53428) = 3¹ × 17807¹ × 2² × 19² × 37¹
LCM(53421,53428) = 2854177188