What is the Least Common Multiple of 66809 and 66813?

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 66809 and 66813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66809 and 66813, than apply into the LCM equation.

GCF(66809,66813) = 1
LCM(66809,66813) = ( 66809 × 66813) / 1
LCM(66809,66813) = 4463709717 / 1
LCM(66809,66813) = 4463709717

Least Common Multiple (LCM) of 66809 and 66813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66809 and 66813. First we will calculate the prime factors of 66809 and 66813.

Prime Factorization of 66809

Prime Factorization of 66813

Now multiplying the highest exponent prime factors to calculate the LCM of 66809 and 66813.

LCM(66809,66813) = 66809¹ × 3¹ × 22271¹
LCM(66809,66813) = 4463709717