What is the Least Common Multiple of 42618 and 42634?

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 42618 and 42634 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 42618 and 42634, than apply into the LCM equation.

GCF(42618,42634) = 2
LCM(42618,42634) = ( 42618 × 42634) / 2
LCM(42618,42634) = 1816975812 / 2
LCM(42618,42634) = 908487906

Least Common Multiple (LCM) of 42618 and 42634 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 42618 and 42634. First we will calculate the prime factors of 42618 and 42634.

Prime Factorization of 42618

Prime Factorization of 42634

Now multiplying the highest exponent prime factors to calculate the LCM of 42618 and 42634.

LCM(42618,42634) = 2¹ × 3¹ × 7103¹ × 21317¹
LCM(42618,42634) = 908487906