What is the Least Common Multiple of 18042 and 18056?

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 18042 and 18056 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18042 and 18056, than apply into the LCM equation.

GCF(18042,18056) = 2
LCM(18042,18056) = ( 18042 × 18056) / 2
LCM(18042,18056) = 325766352 / 2
LCM(18042,18056) = 162883176

Least Common Multiple (LCM) of 18042 and 18056 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18042 and 18056. First we will calculate the prime factors of 18042 and 18056.

Prime Factorization of 18042

Prime Factorization of 18056

Now multiplying the highest exponent prime factors to calculate the LCM of 18042 and 18056.

LCM(18042,18056) = 2³ × 3¹ × 31¹ × 97¹ × 37¹ × 61¹
LCM(18042,18056) = 162883176