What is the Least Common Multiple of 72312 and 72316?

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 72312 and 72316 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72312 and 72316, than apply into the LCM equation.

GCF(72312,72316) = 4
LCM(72312,72316) = ( 72312 × 72316) / 4
LCM(72312,72316) = 5229314592 / 4
LCM(72312,72316) = 1307328648

Least Common Multiple (LCM) of 72312 and 72316 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72312 and 72316. First we will calculate the prime factors of 72312 and 72316.

Prime Factorization of 72312

Prime Factorization of 72316

Now multiplying the highest exponent prime factors to calculate the LCM of 72312 and 72316.

LCM(72312,72316) = 2³ × 3¹ × 23¹ × 131¹ × 101¹ × 179¹
LCM(72312,72316) = 1307328648