What is the Least Common Multiple of 4605 and 4618?

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 4605 and 4618 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 4605 and 4618, than apply into the LCM equation.

GCF(4605,4618) = 1
LCM(4605,4618) = ( 4605 × 4618) / 1
LCM(4605,4618) = 21265890 / 1
LCM(4605,4618) = 21265890

Least Common Multiple (LCM) of 4605 and 4618 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 4605 and 4618. First we will calculate the prime factors of 4605 and 4618.

Prime Factorization of 4605

Prime Factorization of 4618

Now multiplying the highest exponent prime factors to calculate the LCM of 4605 and 4618.

LCM(4605,4618) = 3¹ × 5¹ × 307¹ × 2¹ × 2309¹
LCM(4605,4618) = 21265890