What is the Least Common Multiple of 13380 and 13400?

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 13380 and 13400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13380 and 13400, than apply into the LCM equation.

GCF(13380,13400) = 20
LCM(13380,13400) = ( 13380 × 13400) / 20
LCM(13380,13400) = 179292000 / 20
LCM(13380,13400) = 8964600

Least Common Multiple (LCM) of 13380 and 13400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13380 and 13400. First we will calculate the prime factors of 13380 and 13400.

Prime Factorization of 13380

Prime Factorization of 13400

Now multiplying the highest exponent prime factors to calculate the LCM of 13380 and 13400.

LCM(13380,13400) = 2³ × 3¹ × 5² × 223¹ × 67¹
LCM(13380,13400) = 8964600