What is the Least Common Multiple of 18864 and 18878?

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 18864 and 18878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18864 and 18878, than apply into the LCM equation.

GCF(18864,18878) = 2
LCM(18864,18878) = ( 18864 × 18878) / 2
LCM(18864,18878) = 356114592 / 2
LCM(18864,18878) = 178057296

Least Common Multiple (LCM) of 18864 and 18878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18864 and 18878. First we will calculate the prime factors of 18864 and 18878.

Prime Factorization of 18864

Prime Factorization of 18878

Now multiplying the highest exponent prime factors to calculate the LCM of 18864 and 18878.

LCM(18864,18878) = 2⁴ × 3² × 131¹ × 9439¹
LCM(18864,18878) = 178057296