What is the Least Common Multiple of 84069 and 84081?

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 84069 and 84081 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 84069 and 84081, than apply into the LCM equation.

GCF(84069,84081) = 3
LCM(84069,84081) = ( 84069 × 84081) / 3
LCM(84069,84081) = 7068605589 / 3
LCM(84069,84081) = 2356201863

Least Common Multiple (LCM) of 84069 and 84081 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 84069 and 84081. First we will calculate the prime factors of 84069 and 84081.

Prime Factorization of 84069

Prime Factorization of 84081

Now multiplying the highest exponent prime factors to calculate the LCM of 84069 and 84081.

LCM(84069,84081) = 3² × 9341¹ × 28027¹
LCM(84069,84081) = 2356201863