What is the Least Common Multiple of 81068 and 81086?

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 81068 and 81086 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81068 and 81086, than apply into the LCM equation.

GCF(81068,81086) = 2
LCM(81068,81086) = ( 81068 × 81086) / 2
LCM(81068,81086) = 6573479848 / 2
LCM(81068,81086) = 3286739924

Least Common Multiple (LCM) of 81068 and 81086 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81068 and 81086. First we will calculate the prime factors of 81068 and 81086.

Prime Factorization of 81068

Prime Factorization of 81086

Now multiplying the highest exponent prime factors to calculate the LCM of 81068 and 81086.

LCM(81068,81086) = 2² × 13¹ × 1559¹ × 40543¹
LCM(81068,81086) = 3286739924