What is the Least Common Multiple of 4581 and 4591?

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 4581 and 4591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4581 and 4591, than apply into the LCM equation.

GCF(4581,4591) = 1
LCM(4581,4591) = ( 4581 × 4591) / 1
LCM(4581,4591) = 21031371 / 1
LCM(4581,4591) = 21031371

Least Common Multiple (LCM) of 4581 and 4591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4581 and 4591. First we will calculate the prime factors of 4581 and 4591.

Prime Factorization of 4581

Prime Factorization of 4591

Now multiplying the highest exponent prime factors to calculate the LCM of 4581 and 4591.

LCM(4581,4591) = 3² × 509¹ × 4591¹
LCM(4581,4591) = 21031371