What is the Least Common Multiple of 4571 and 4581?

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 4571 and 4581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4571 and 4581, than apply into the LCM equation.

GCF(4571,4581) = 1
LCM(4571,4581) = ( 4571 × 4581) / 1
LCM(4571,4581) = 20939751 / 1
LCM(4571,4581) = 20939751

Least Common Multiple (LCM) of 4571 and 4581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4571 and 4581. First we will calculate the prime factors of 4571 and 4581.

Prime Factorization of 4571

Prime Factorization of 4581

Now multiplying the highest exponent prime factors to calculate the LCM of 4571 and 4581.

LCM(4571,4581) = 7¹ × 653¹ × 3² × 509¹
LCM(4571,4581) = 20939751