What is the Least Common Multiple of 72381 and 72401?

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 72381 and 72401 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72381 and 72401, than apply into the LCM equation.

GCF(72381,72401) = 1
LCM(72381,72401) = ( 72381 × 72401) / 1
LCM(72381,72401) = 5240456781 / 1
LCM(72381,72401) = 5240456781

Least Common Multiple (LCM) of 72381 and 72401 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72381 and 72401. First we will calculate the prime factors of 72381 and 72401.

Prime Factorization of 72381

Prime Factorization of 72401

Now multiplying the highest exponent prime factors to calculate the LCM of 72381 and 72401.

LCM(72381,72401) = 3¹ × 23¹ × 1049¹ × 7¹ × 10343¹
LCM(72381,72401) = 5240456781