What is the Least Common Multiple of 4500 and 4505?

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 4500 and 4505 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4500 and 4505, than apply into the LCM equation.

GCF(4500,4505) = 5
LCM(4500,4505) = ( 4500 × 4505) / 5
LCM(4500,4505) = 20272500 / 5
LCM(4500,4505) = 4054500

Least Common Multiple (LCM) of 4500 and 4505 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4500 and 4505. First we will calculate the prime factors of 4500 and 4505.

Prime Factorization of 4500

Prime Factorization of 4505

Now multiplying the highest exponent prime factors to calculate the LCM of 4500 and 4505.

LCM(4500,4505) = 2² × 3² × 5³ × 17¹ × 53¹
LCM(4500,4505) = 4054500