What is the Least Common Multiple of 72658 and 72664?

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 72658 and 72664 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72658 and 72664, than apply into the LCM equation.

GCF(72658,72664) = 2
LCM(72658,72664) = ( 72658 × 72664) / 2
LCM(72658,72664) = 5279620912 / 2
LCM(72658,72664) = 2639810456

Least Common Multiple (LCM) of 72658 and 72664 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72658 and 72664. First we will calculate the prime factors of 72658 and 72664.

Prime Factorization of 72658

Prime Factorization of 72664

Now multiplying the highest exponent prime factors to calculate the LCM of 72658 and 72664.

LCM(72658,72664) = 2³ × 17¹ × 2137¹ × 31¹ × 293¹
LCM(72658,72664) = 2639810456