What is the Least Common Multiple of 72017 and 72031?

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 72017 and 72031 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72017 and 72031, than apply into the LCM equation.

GCF(72017,72031) = 1
LCM(72017,72031) = ( 72017 × 72031) / 1
LCM(72017,72031) = 5187456527 / 1
LCM(72017,72031) = 5187456527

Least Common Multiple (LCM) of 72017 and 72031 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72017 and 72031. First we will calculate the prime factors of 72017 and 72031.

Prime Factorization of 72017

Prime Factorization of 72031

Now multiplying the highest exponent prime factors to calculate the LCM of 72017 and 72031.

LCM(72017,72031) = 11¹ × 6547¹ × 72031¹
LCM(72017,72031) = 5187456527