What is the Least Common Multiple of 81822 and 81842?

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 81822 and 81842 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81822 and 81842, than apply into the LCM equation.

GCF(81822,81842) = 2
LCM(81822,81842) = ( 81822 × 81842) / 2
LCM(81822,81842) = 6696476124 / 2
LCM(81822,81842) = 3348238062

Least Common Multiple (LCM) of 81822 and 81842 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81822 and 81842. First we will calculate the prime factors of 81822 and 81842.

Prime Factorization of 81822

Prime Factorization of 81842

Now multiplying the highest exponent prime factors to calculate the LCM of 81822 and 81842.

LCM(81822,81842) = 2¹ × 3¹ × 13¹ × 1049¹ × 151¹ × 271¹
LCM(81822,81842) = 3348238062