What is the Least Common Multiple of 15806 and 15816?

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 15806 and 15816 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15806 and 15816, than apply into the LCM equation.

GCF(15806,15816) = 2
LCM(15806,15816) = ( 15806 × 15816) / 2
LCM(15806,15816) = 249987696 / 2
LCM(15806,15816) = 124993848

Least Common Multiple (LCM) of 15806 and 15816 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15806 and 15816. First we will calculate the prime factors of 15806 and 15816.

Prime Factorization of 15806

Prime Factorization of 15816

Now multiplying the highest exponent prime factors to calculate the LCM of 15806 and 15816.

LCM(15806,15816) = 2³ × 7¹ × 1129¹ × 3¹ × 659¹
LCM(15806,15816) = 124993848