What is the Least Common Multiple of 20818 and 20826?

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 20818 and 20826 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 20818 and 20826, than apply into the LCM equation.

GCF(20818,20826) = 2
LCM(20818,20826) = ( 20818 × 20826) / 2
LCM(20818,20826) = 433555668 / 2
LCM(20818,20826) = 216777834

Least Common Multiple (LCM) of 20818 and 20826 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 20818 and 20826. First we will calculate the prime factors of 20818 and 20826.

Prime Factorization of 20818

Prime Factorization of 20826

Now multiplying the highest exponent prime factors to calculate the LCM of 20818 and 20826.

LCM(20818,20826) = 2¹ × 7¹ × 1487¹ × 3² × 13¹ × 89¹
LCM(20818,20826) = 216777834