What is the Least Common Multiple of 57009 and 57021?

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 57009 and 57021 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57009 and 57021, than apply into the LCM equation.

GCF(57009,57021) = 3
LCM(57009,57021) = ( 57009 × 57021) / 3
LCM(57009,57021) = 3250710189 / 3
LCM(57009,57021) = 1083570063

Least Common Multiple (LCM) of 57009 and 57021 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57009 and 57021. First we will calculate the prime factors of 57009 and 57021.

Prime Factorization of 57009

Prime Factorization of 57021

Now multiplying the highest exponent prime factors to calculate the LCM of 57009 and 57021.

LCM(57009,57021) = 3¹ × 31¹ × 613¹ × 83¹ × 229¹
LCM(57009,57021) = 1083570063