What is the Least Common Multiple of 57305 and 57320?

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 57305 and 57320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 57305 and 57320, than apply into the LCM equation.

GCF(57305,57320) = 5
LCM(57305,57320) = ( 57305 × 57320) / 5
LCM(57305,57320) = 3284722600 / 5
LCM(57305,57320) = 656944520

Least Common Multiple (LCM) of 57305 and 57320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 57305 and 57320. First we will calculate the prime factors of 57305 and 57320.

Prime Factorization of 57305

Prime Factorization of 57320

Now multiplying the highest exponent prime factors to calculate the LCM of 57305 and 57320.

LCM(57305,57320) = 5¹ × 73¹ × 157¹ × 2³ × 1433¹
LCM(57305,57320) = 656944520