What is the Least Common Multiple of 72691 and 72697?

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 72691 and 72697 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72691 and 72697, than apply into the LCM equation.

GCF(72691,72697) = 1
LCM(72691,72697) = ( 72691 × 72697) / 1
LCM(72691,72697) = 5284417627 / 1
LCM(72691,72697) = 5284417627

Least Common Multiple (LCM) of 72691 and 72697 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72691 and 72697. First we will calculate the prime factors of 72691 and 72697.

Prime Factorization of 72691

Prime Factorization of 72697

Now multiplying the highest exponent prime factors to calculate the LCM of 72691 and 72697.

LCM(72691,72697) = 157¹ × 463¹ × 139¹ × 523¹
LCM(72691,72697) = 5284417627