What is the Least Common Multiple of 18156 and 18162?

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 18156 and 18162 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18156 and 18162, than apply into the LCM equation.

GCF(18156,18162) = 6
LCM(18156,18162) = ( 18156 × 18162) / 6
LCM(18156,18162) = 329749272 / 6
LCM(18156,18162) = 54958212

Least Common Multiple (LCM) of 18156 and 18162 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18156 and 18162. First we will calculate the prime factors of 18156 and 18162.

Prime Factorization of 18156

Prime Factorization of 18162

Now multiplying the highest exponent prime factors to calculate the LCM of 18156 and 18162.

LCM(18156,18162) = 2² × 3² × 17¹ × 89¹ × 1009¹
LCM(18156,18162) = 54958212