What is the Least Common Multiple of 2563 and 2581?

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 2563 and 2581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2563 and 2581, than apply into the LCM equation.

GCF(2563,2581) = 1
LCM(2563,2581) = ( 2563 × 2581) / 1
LCM(2563,2581) = 6615103 / 1
LCM(2563,2581) = 6615103

Least Common Multiple (LCM) of 2563 and 2581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2563 and 2581. First we will calculate the prime factors of 2563 and 2581.

Prime Factorization of 2563

Prime Factorization of 2581

Now multiplying the highest exponent prime factors to calculate the LCM of 2563 and 2581.

LCM(2563,2581) = 11¹ × 233¹ × 29¹ × 89¹
LCM(2563,2581) = 6615103