What is the Least Common Multiple of 57291 and 57309?

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 57291 and 57309 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57291 and 57309, than apply into the LCM equation.

GCF(57291,57309) = 3
LCM(57291,57309) = ( 57291 × 57309) / 3
LCM(57291,57309) = 3283289919 / 3
LCM(57291,57309) = 1094429973

Least Common Multiple (LCM) of 57291 and 57309 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57291 and 57309. First we will calculate the prime factors of 57291 and 57309.

Prime Factorization of 57291

Prime Factorization of 57309

Now multiplying the highest exponent prime factors to calculate the LCM of 57291 and 57309.

LCM(57291,57309) = 3¹ × 13² × 113¹ × 7¹ × 2729¹
LCM(57291,57309) = 1094429973