What is the Least Common Multiple of 89618 and 89638?

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 89618 and 89638 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 89618 and 89638, than apply into the LCM equation.

GCF(89618,89638) = 2
LCM(89618,89638) = ( 89618 × 89638) / 2
LCM(89618,89638) = 8033178284 / 2
LCM(89618,89638) = 4016589142

Least Common Multiple (LCM) of 89618 and 89638 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 89618 and 89638. First we will calculate the prime factors of 89618 and 89638.

Prime Factorization of 89618

Prime Factorization of 89638

Now multiplying the highest exponent prime factors to calculate the LCM of 89618 and 89638.

LCM(89618,89638) = 2¹ × 44809¹ × 44819¹
LCM(89618,89638) = 4016589142