What is the Least Common Multiple of 4505 and 4518?

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 4505 and 4518 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4505 and 4518, than apply into the LCM equation.

GCF(4505,4518) = 1
LCM(4505,4518) = ( 4505 × 4518) / 1
LCM(4505,4518) = 20353590 / 1
LCM(4505,4518) = 20353590

Least Common Multiple (LCM) of 4505 and 4518 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4505 and 4518. First we will calculate the prime factors of 4505 and 4518.

Prime Factorization of 4505

Prime Factorization of 4518

Now multiplying the highest exponent prime factors to calculate the LCM of 4505 and 4518.

LCM(4505,4518) = 5¹ × 17¹ × 53¹ × 2¹ × 3² × 251¹
LCM(4505,4518) = 20353590