What is the Least Common Multiple of 2548 and 2556?

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 2548 and 2556 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2548 and 2556, than apply into the LCM equation.

GCF(2548,2556) = 4
LCM(2548,2556) = ( 2548 × 2556) / 4
LCM(2548,2556) = 6512688 / 4
LCM(2548,2556) = 1628172

Least Common Multiple (LCM) of 2548 and 2556 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2548 and 2556. First we will calculate the prime factors of 2548 and 2556.

Prime Factorization of 2548

Prime Factorization of 2556

Now multiplying the highest exponent prime factors to calculate the LCM of 2548 and 2556.

LCM(2548,2556) = 2² × 7² × 13¹ × 3² × 71¹
LCM(2548,2556) = 1628172