What is the Least Common Multiple of 20338 and 20346?

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 20338 and 20346 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20338 and 20346, than apply into the LCM equation.

GCF(20338,20346) = 2
LCM(20338,20346) = ( 20338 × 20346) / 2
LCM(20338,20346) = 413796948 / 2
LCM(20338,20346) = 206898474

Least Common Multiple (LCM) of 20338 and 20346 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20338 and 20346. First we will calculate the prime factors of 20338 and 20346.

Prime Factorization of 20338

Prime Factorization of 20346

Now multiplying the highest exponent prime factors to calculate the LCM of 20338 and 20346.

LCM(20338,20346) = 2¹ × 10169¹ × 3¹ × 3391¹
LCM(20338,20346) = 206898474