What is the Least Common Multiple of 57309 and 57315?

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 57309 and 57315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57309 and 57315, than apply into the LCM equation.

GCF(57309,57315) = 3
LCM(57309,57315) = ( 57309 × 57315) / 3
LCM(57309,57315) = 3284665335 / 3
LCM(57309,57315) = 1094888445

Least Common Multiple (LCM) of 57309 and 57315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57309 and 57315. First we will calculate the prime factors of 57309 and 57315.

Prime Factorization of 57309

Prime Factorization of 57315

Now multiplying the highest exponent prime factors to calculate the LCM of 57309 and 57315.

LCM(57309,57315) = 3¹ × 7¹ × 2729¹ × 5¹ × 3821¹
LCM(57309,57315) = 1094888445