GCF and LCM Calculator Logo

What is the Least Common Multiple of 72318 and 72322?

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 (LCM) of 72318 and 72322 is 2615091198.

LCM(72318,72322) = 2615091198

LCM Calculator and
and

Least Common Multiple of 72318 and 72322 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72318 and 72322, than apply into the LCM equation.

GCF(72318,72322) = 2
LCM(72318,72322) = ( 72318 × 72322) / 2
LCM(72318,72322) = 5230182396 / 2
LCM(72318,72322) = 2615091198

Least Common Multiple (LCM) of 72318 and 72322 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72318 and 72322. First we will calculate the prime factors of 72318 and 72322.

Prime Factorization of 72318

Prime factors of 72318 are 2, 3, 17, 709. Prime factorization of 72318 in exponential form is:

72318 = 21 × 31 × 171 × 7091

Prime Factorization of 72322

Prime factors of 72322 are 2, 36161. Prime factorization of 72322 in exponential form is:

72322 = 21 × 361611

Now multiplying the highest exponent prime factors to calculate the LCM of 72318 and 72322.

LCM(72318,72322) = 21 × 31 × 171 × 7091 × 361611
LCM(72318,72322) = 2615091198