What is the Least Common Multiple of 56618 and 56638?

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 56618 and 56638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 56618 and 56638, than apply into the LCM equation.

GCF(56618,56638) = 2
LCM(56618,56638) = ( 56618 × 56638) / 2
LCM(56618,56638) = 3206730284 / 2
LCM(56618,56638) = 1603365142

Least Common Multiple (LCM) of 56618 and 56638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 56618 and 56638. First we will calculate the prime factors of 56618 and 56638.

Prime Factorization of 56618

Prime Factorization of 56638

Now multiplying the highest exponent prime factors to calculate the LCM of 56618 and 56638.

LCM(56618,56638) = 2¹ × 28309¹ × 28319¹
LCM(56618,56638) = 1603365142