What is the Least Common Multiple of 18853 and 18861?

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 18853 and 18861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18853 and 18861, than apply into the LCM equation.

GCF(18853,18861) = 1
LCM(18853,18861) = ( 18853 × 18861) / 1
LCM(18853,18861) = 355586433 / 1
LCM(18853,18861) = 355586433

Least Common Multiple (LCM) of 18853 and 18861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18853 and 18861. First we will calculate the prime factors of 18853 and 18861.

Prime Factorization of 18853

Prime Factorization of 18861

Now multiplying the highest exponent prime factors to calculate the LCM of 18853 and 18861.

LCM(18853,18861) = 17¹ × 1109¹ × 3¹ × 6287¹
LCM(18853,18861) = 355586433