What is the Least Common Multiple of 54240 and 54245?

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 54240 and 54245 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 54240 and 54245, than apply into the LCM equation.

GCF(54240,54245) = 5
LCM(54240,54245) = ( 54240 × 54245) / 5
LCM(54240,54245) = 2942248800 / 5
LCM(54240,54245) = 588449760

Least Common Multiple (LCM) of 54240 and 54245 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 54240 and 54245. First we will calculate the prime factors of 54240 and 54245.

Prime Factorization of 54240

Prime Factorization of 54245

Now multiplying the highest exponent prime factors to calculate the LCM of 54240 and 54245.

LCM(54240,54245) = 2⁵ × 3¹ × 5¹ × 113¹ × 19¹ × 571¹
LCM(54240,54245) = 588449760