What is the Least Common Multiple of 13530 and 13545?

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 13530 and 13545 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13530 and 13545, than apply into the LCM equation.

GCF(13530,13545) = 15
LCM(13530,13545) = ( 13530 × 13545) / 15
LCM(13530,13545) = 183263850 / 15
LCM(13530,13545) = 12217590

Least Common Multiple (LCM) of 13530 and 13545 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13530 and 13545. First we will calculate the prime factors of 13530 and 13545.

Prime Factorization of 13530

Prime Factorization of 13545

Now multiplying the highest exponent prime factors to calculate the LCM of 13530 and 13545.

LCM(13530,13545) = 2¹ × 3² × 5¹ × 11¹ × 41¹ × 7¹ × 43¹
LCM(13530,13545) = 12217590