What is the Least Common Multiple of 72838 and 72856?

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 72838 and 72856 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 72838 and 72856, than apply into the LCM equation.

GCF(72838,72856) = 2
LCM(72838,72856) = ( 72838 × 72856) / 2
LCM(72838,72856) = 5306685328 / 2
LCM(72838,72856) = 2653342664

Least Common Multiple (LCM) of 72838 and 72856 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 72838 and 72856. First we will calculate the prime factors of 72838 and 72856.

Prime Factorization of 72838

Prime Factorization of 72856

Now multiplying the highest exponent prime factors to calculate the LCM of 72838 and 72856.

LCM(72838,72856) = 2³ × 79¹ × 461¹ × 7¹ × 1301¹
LCM(72838,72856) = 2653342664