What is the Least Common Multiple of 11563 and 11581?

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 11563 and 11581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11563 and 11581, than apply into the LCM equation.

GCF(11563,11581) = 1
LCM(11563,11581) = ( 11563 × 11581) / 1
LCM(11563,11581) = 133911103 / 1
LCM(11563,11581) = 133911103

Least Common Multiple (LCM) of 11563 and 11581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11563 and 11581. First we will calculate the prime factors of 11563 and 11581.

Prime Factorization of 11563

Prime Factorization of 11581

Now multiplying the highest exponent prime factors to calculate the LCM of 11563 and 11581.

LCM(11563,11581) = 31¹ × 373¹ × 37¹ × 313¹
LCM(11563,11581) = 133911103