What is the Least Common Multiple of 66631 and 66643?

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 66631 and 66643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66631 and 66643, than apply into the LCM equation.

GCF(66631,66643) = 1
LCM(66631,66643) = ( 66631 × 66643) / 1
LCM(66631,66643) = 4440489733 / 1
LCM(66631,66643) = 4440489733

Least Common Multiple (LCM) of 66631 and 66643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66631 and 66643. First we will calculate the prime factors of 66631 and 66643.

Prime Factorization of 66631

Prime Factorization of 66643

Now multiplying the highest exponent prime factors to calculate the LCM of 66631 and 66643.

LCM(66631,66643) = 23¹ × 2897¹ × 66643¹
LCM(66631,66643) = 4440489733