What is the Least Common Multiple of 81999 and 82019?

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 81999 and 82019 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 81999 and 82019, than apply into the LCM equation.

GCF(81999,82019) = 1
LCM(81999,82019) = ( 81999 × 82019) / 1
LCM(81999,82019) = 6725475981 / 1
LCM(81999,82019) = 6725475981

Least Common Multiple (LCM) of 81999 and 82019 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 81999 and 82019. First we will calculate the prime factors of 81999 and 82019.

Prime Factorization of 81999

Prime Factorization of 82019

Now multiplying the highest exponent prime factors to calculate the LCM of 81999 and 82019.

LCM(81999,82019) = 3³ × 3037¹ × 7¹ × 11717¹
LCM(81999,82019) = 6725475981