What is the Least Common Multiple of 2438 and 2453?

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 2438 and 2453 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2438 and 2453, than apply into the LCM equation.

GCF(2438,2453) = 1
LCM(2438,2453) = ( 2438 × 2453) / 1
LCM(2438,2453) = 5980414 / 1
LCM(2438,2453) = 5980414

Least Common Multiple (LCM) of 2438 and 2453 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2438 and 2453. First we will calculate the prime factors of 2438 and 2453.

Prime Factorization of 2438

Prime Factorization of 2453

Now multiplying the highest exponent prime factors to calculate the LCM of 2438 and 2453.

LCM(2438,2453) = 2¹ × 23¹ × 53¹ × 11¹ × 223¹
LCM(2438,2453) = 5980414