What is the Least Common Multiple of 54228 and 54240?

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 54228 and 54240 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54228 and 54240, than apply into the LCM equation.

GCF(54228,54240) = 12
LCM(54228,54240) = ( 54228 × 54240) / 12
LCM(54228,54240) = 2941326720 / 12
LCM(54228,54240) = 245110560

Least Common Multiple (LCM) of 54228 and 54240 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54228 and 54240. First we will calculate the prime factors of 54228 and 54240.

Prime Factorization of 54228

Prime Factorization of 54240

Now multiplying the highest exponent prime factors to calculate the LCM of 54228 and 54240.

LCM(54228,54240) = 2⁵ × 3¹ × 4519¹ × 5¹ × 113¹
LCM(54228,54240) = 245110560