What is the Least Common Multiple of 72481 and 72491?

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 72481 and 72491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72481 and 72491, than apply into the LCM equation.

GCF(72481,72491) = 1
LCM(72481,72491) = ( 72481 × 72491) / 1
LCM(72481,72491) = 5254220171 / 1
LCM(72481,72491) = 5254220171

Least Common Multiple (LCM) of 72481 and 72491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72481 and 72491. First we will calculate the prime factors of 72481 and 72491.

Prime Factorization of 72481

Prime Factorization of 72491

Now multiplying the highest exponent prime factors to calculate the LCM of 72481 and 72491.

LCM(72481,72491) = 72481¹ × 71¹ × 1021¹
LCM(72481,72491) = 5254220171