What is the Least Common Multiple of 13503 and 13515?

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 13503 and 13515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 13503 and 13515, than apply into the LCM equation.

GCF(13503,13515) = 3
LCM(13503,13515) = ( 13503 × 13515) / 3
LCM(13503,13515) = 182493045 / 3
LCM(13503,13515) = 60831015

Least Common Multiple (LCM) of 13503 and 13515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 13503 and 13515. First we will calculate the prime factors of 13503 and 13515.

Prime Factorization of 13503

Prime Factorization of 13515

Now multiplying the highest exponent prime factors to calculate the LCM of 13503 and 13515.

LCM(13503,13515) = 3¹ × 7¹ × 643¹ × 5¹ × 17¹ × 53¹
LCM(13503,13515) = 60831015