What is the Least Common Multiple of 57072 and 57081?

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 57072 and 57081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57072 and 57081, than apply into the LCM equation.

GCF(57072,57081) = 3
LCM(57072,57081) = ( 57072 × 57081) / 3
LCM(57072,57081) = 3257726832 / 3
LCM(57072,57081) = 1085908944

Least Common Multiple (LCM) of 57072 and 57081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57072 and 57081. First we will calculate the prime factors of 57072 and 57081.

Prime Factorization of 57072

Prime Factorization of 57081

Now multiplying the highest exponent prime factors to calculate the LCM of 57072 and 57081.

LCM(57072,57081) = 2⁴ × 3¹ × 29¹ × 41¹ × 53¹ × 359¹
LCM(57072,57081) = 1085908944