What is the Least Common Multiple of 18809 and 18813?

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 18809 and 18813 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18809 and 18813, than apply into the LCM equation.

GCF(18809,18813) = 1
LCM(18809,18813) = ( 18809 × 18813) / 1
LCM(18809,18813) = 353853717 / 1
LCM(18809,18813) = 353853717

Least Common Multiple (LCM) of 18809 and 18813 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18809 and 18813. First we will calculate the prime factors of 18809 and 18813.

Prime Factorization of 18809

Prime Factorization of 18813

Now multiplying the highest exponent prime factors to calculate the LCM of 18809 and 18813.

LCM(18809,18813) = 7¹ × 2687¹ × 3¹ × 6271¹
LCM(18809,18813) = 353853717