GCF and LCM Calculator Logo

What is the Least Common Multiple of 4505 and 4512?

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 (LCM) of 4505 and 4512 is 20326560.

LCM(4505,4512) = 20326560

LCM Calculator and
and

Least Common Multiple of 4505 and 4512 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 4512, than apply into the LCM equation.

GCF(4505,4512) = 1
LCM(4505,4512) = ( 4505 × 4512) / 1
LCM(4505,4512) = 20326560 / 1
LCM(4505,4512) = 20326560

Least Common Multiple (LCM) of 4505 and 4512 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4505 and 4512. First we will calculate the prime factors of 4505 and 4512.

Prime Factorization of 4505

Prime factors of 4505 are 5, 17, 53. Prime factorization of 4505 in exponential form is:

4505 = 51 × 171 × 531

Prime Factorization of 4512

Prime factors of 4512 are 2, 3, 47. Prime factorization of 4512 in exponential form is:

4512 = 25 × 31 × 471

Now multiplying the highest exponent prime factors to calculate the LCM of 4505 and 4512.

LCM(4505,4512) = 51 × 171 × 531 × 25 × 31 × 471
LCM(4505,4512) = 20326560