What is the Least Common Multiple of 2418 and 2430?

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 2418 and 2430 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2418 and 2430, than apply into the LCM equation.

GCF(2418,2430) = 6
LCM(2418,2430) = ( 2418 × 2430) / 6
LCM(2418,2430) = 5875740 / 6
LCM(2418,2430) = 979290

Least Common Multiple (LCM) of 2418 and 2430 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2418 and 2430. First we will calculate the prime factors of 2418 and 2430.

Prime Factorization of 2418

Prime Factorization of 2430

Now multiplying the highest exponent prime factors to calculate the LCM of 2418 and 2430.

LCM(2418,2430) = 2¹ × 3⁵ × 13¹ × 31¹ × 5¹
LCM(2418,2430) = 979290