What is the Least Common Multiple of 4509 and 4513?

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 4509 and 4513 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4509 and 4513, than apply into the LCM equation.

GCF(4509,4513) = 1
LCM(4509,4513) = ( 4509 × 4513) / 1
LCM(4509,4513) = 20349117 / 1
LCM(4509,4513) = 20349117

Least Common Multiple (LCM) of 4509 and 4513 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4509 and 4513. First we will calculate the prime factors of 4509 and 4513.

Prime Factorization of 4509

Prime Factorization of 4513

Now multiplying the highest exponent prime factors to calculate the LCM of 4509 and 4513.

LCM(4509,4513) = 3³ × 167¹ × 4513¹
LCM(4509,4513) = 20349117