What is the Least Common Multiple of 61605 and 61618?

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 61605 and 61618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 61605 and 61618, than apply into the LCM equation.

GCF(61605,61618) = 1
LCM(61605,61618) = ( 61605 × 61618) / 1
LCM(61605,61618) = 3795976890 / 1
LCM(61605,61618) = 3795976890

Least Common Multiple (LCM) of 61605 and 61618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 61605 and 61618. First we will calculate the prime factors of 61605 and 61618.

Prime Factorization of 61605

Prime Factorization of 61618

Now multiplying the highest exponent prime factors to calculate the LCM of 61605 and 61618.

LCM(61605,61618) = 3² × 5¹ × 37² × 2¹ × 30809¹
LCM(61605,61618) = 3795976890