What is the Least Common Multiple of 72551 and 72558?

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 72551 and 72558 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72551 and 72558, than apply into the LCM equation.

GCF(72551,72558) = 1
LCM(72551,72558) = ( 72551 × 72558) / 1
LCM(72551,72558) = 5264155458 / 1
LCM(72551,72558) = 5264155458

Least Common Multiple (LCM) of 72551 and 72558 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72551 and 72558. First we will calculate the prime factors of 72551 and 72558.

Prime Factorization of 72551

Prime Factorization of 72558

Now multiplying the highest exponent prime factors to calculate the LCM of 72551 and 72558.

LCM(72551,72558) = 72551¹ × 2¹ × 3² × 29¹ × 139¹
LCM(72551,72558) = 5264155458