What is the Least Common Multiple of 72372 and 72392?

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 72372 and 72392 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72372 and 72392, than apply into the LCM equation.

GCF(72372,72392) = 4
LCM(72372,72392) = ( 72372 × 72392) / 4
LCM(72372,72392) = 5239153824 / 4
LCM(72372,72392) = 1309788456

Least Common Multiple (LCM) of 72372 and 72392 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72372 and 72392. First we will calculate the prime factors of 72372 and 72392.

Prime Factorization of 72372

Prime Factorization of 72392

Now multiplying the highest exponent prime factors to calculate the LCM of 72372 and 72392.

LCM(72372,72392) = 2³ × 3¹ × 37¹ × 163¹ × 9049¹
LCM(72372,72392) = 1309788456