What is the Least Common Multiple of 18738 and 18746?

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 18738 and 18746 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18738 and 18746, than apply into the LCM equation.

GCF(18738,18746) = 2
LCM(18738,18746) = ( 18738 × 18746) / 2
LCM(18738,18746) = 351262548 / 2
LCM(18738,18746) = 175631274

Least Common Multiple (LCM) of 18738 and 18746 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18738 and 18746. First we will calculate the prime factors of 18738 and 18746.

Prime Factorization of 18738

Prime Factorization of 18746

Now multiplying the highest exponent prime factors to calculate the LCM of 18738 and 18746.

LCM(18738,18746) = 2¹ × 3³ × 347¹ × 7¹ × 13¹ × 103¹
LCM(18738,18746) = 175631274