What is the Least Common Multiple of 72644 and 72658?

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 72644 and 72658 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72644 and 72658, than apply into the LCM equation.

GCF(72644,72658) = 2
LCM(72644,72658) = ( 72644 × 72658) / 2
LCM(72644,72658) = 5278167752 / 2
LCM(72644,72658) = 2639083876

Least Common Multiple (LCM) of 72644 and 72658 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72644 and 72658. First we will calculate the prime factors of 72644 and 72658.

Prime Factorization of 72644

Prime Factorization of 72658

Now multiplying the highest exponent prime factors to calculate the LCM of 72644 and 72658.

LCM(72644,72658) = 2² × 11¹ × 13¹ × 127¹ × 17¹ × 2137¹
LCM(72644,72658) = 2639083876