What is the Least Common Multiple of 39809 and 39813?

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 39809 and 39813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 39809 and 39813, than apply into the LCM equation.

GCF(39809,39813) = 1
LCM(39809,39813) = ( 39809 × 39813) / 1
LCM(39809,39813) = 1584915717 / 1
LCM(39809,39813) = 1584915717

Least Common Multiple (LCM) of 39809 and 39813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 39809 and 39813. First we will calculate the prime factors of 39809 and 39813.

Prime Factorization of 39809

Prime Factorization of 39813

Now multiplying the highest exponent prime factors to calculate the LCM of 39809 and 39813.

LCM(39809,39813) = 7¹ × 11² × 47¹ × 3¹ × 23¹ × 577¹
LCM(39809,39813) = 1584915717