What is the Least Common Multiple of 16809 and 16818?

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 16809 and 16818 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16809 and 16818, than apply into the LCM equation.

GCF(16809,16818) = 3
LCM(16809,16818) = ( 16809 × 16818) / 3
LCM(16809,16818) = 282693762 / 3
LCM(16809,16818) = 94231254

Least Common Multiple (LCM) of 16809 and 16818 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16809 and 16818. First we will calculate the prime factors of 16809 and 16818.

Prime Factorization of 16809

Prime Factorization of 16818

Now multiplying the highest exponent prime factors to calculate the LCM of 16809 and 16818.

LCM(16809,16818) = 3¹ × 13¹ × 431¹ × 2¹ × 2803¹
LCM(16809,16818) = 94231254