What is the Least Common Multiple of 23315 and 23320?

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 23315 and 23320 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 23315 and 23320, than apply into the LCM equation.

GCF(23315,23320) = 5
LCM(23315,23320) = ( 23315 × 23320) / 5
LCM(23315,23320) = 543705800 / 5
LCM(23315,23320) = 108741160

Least Common Multiple (LCM) of 23315 and 23320 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 23315 and 23320. First we will calculate the prime factors of 23315 and 23320.

Prime Factorization of 23315

Prime Factorization of 23320

Now multiplying the highest exponent prime factors to calculate the LCM of 23315 and 23320.

LCM(23315,23320) = 5¹ × 4663¹ × 2³ × 11¹ × 53¹
LCM(23315,23320) = 108741160