What is the Least Common Multiple of 18605 and 18610?

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 18605 and 18610 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18605 and 18610, than apply into the LCM equation.

GCF(18605,18610) = 5
LCM(18605,18610) = ( 18605 × 18610) / 5
LCM(18605,18610) = 346239050 / 5
LCM(18605,18610) = 69247810

Least Common Multiple (LCM) of 18605 and 18610 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18605 and 18610. First we will calculate the prime factors of 18605 and 18610.

Prime Factorization of 18605

Prime Factorization of 18610

Now multiplying the highest exponent prime factors to calculate the LCM of 18605 and 18610.

LCM(18605,18610) = 5¹ × 61² × 2¹ × 1861¹
LCM(18605,18610) = 69247810