What is the Least Common Multiple of 18729 and 18747?

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 18729 and 18747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18729 and 18747, than apply into the LCM equation.

GCF(18729,18747) = 9
LCM(18729,18747) = ( 18729 × 18747) / 9
LCM(18729,18747) = 351112563 / 9
LCM(18729,18747) = 39012507

Least Common Multiple (LCM) of 18729 and 18747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18729 and 18747. First we will calculate the prime factors of 18729 and 18747.

Prime Factorization of 18729

Prime Factorization of 18747

Now multiplying the highest exponent prime factors to calculate the LCM of 18729 and 18747.

LCM(18729,18747) = 3² × 2081¹ × 2083¹
LCM(18729,18747) = 39012507