What is the Least Common Multiple of 54390 and 54403?

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 54390 and 54403 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54390 and 54403, than apply into the LCM equation.

GCF(54390,54403) = 1
LCM(54390,54403) = ( 54390 × 54403) / 1
LCM(54390,54403) = 2958979170 / 1
LCM(54390,54403) = 2958979170

Least Common Multiple (LCM) of 54390 and 54403 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54390 and 54403. First we will calculate the prime factors of 54390 and 54403.

Prime Factorization of 54390

Prime Factorization of 54403

Now multiplying the highest exponent prime factors to calculate the LCM of 54390 and 54403.

LCM(54390,54403) = 2¹ × 3¹ × 5¹ × 7² × 37¹ × 54403¹
LCM(54390,54403) = 2958979170