What is the Least Common Multiple of 11508 and 11515?

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 11508 and 11515 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11508 and 11515, than apply into the LCM equation.

GCF(11508,11515) = 7
LCM(11508,11515) = ( 11508 × 11515) / 7
LCM(11508,11515) = 132514620 / 7
LCM(11508,11515) = 18930660

Least Common Multiple (LCM) of 11508 and 11515 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11508 and 11515. First we will calculate the prime factors of 11508 and 11515.

Prime Factorization of 11508

Prime Factorization of 11515

Now multiplying the highest exponent prime factors to calculate the LCM of 11508 and 11515.

LCM(11508,11515) = 2² × 3¹ × 7² × 137¹ × 5¹ × 47¹
LCM(11508,11515) = 18930660