What is the Least Common Multiple of 4545 and 4556?

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 4545 and 4556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4545 and 4556, than apply into the LCM equation.

GCF(4545,4556) = 1
LCM(4545,4556) = ( 4545 × 4556) / 1
LCM(4545,4556) = 20707020 / 1
LCM(4545,4556) = 20707020

Least Common Multiple (LCM) of 4545 and 4556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4545 and 4556. First we will calculate the prime factors of 4545 and 4556.

Prime Factorization of 4545

Prime Factorization of 4556

Now multiplying the highest exponent prime factors to calculate the LCM of 4545 and 4556.

LCM(4545,4556) = 3² × 5¹ × 101¹ × 2² × 17¹ × 67¹
LCM(4545,4556) = 20707020