What is the Least Common Multiple of 10561 and 10581?

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 10561 and 10581 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10561 and 10581, than apply into the LCM equation.

GCF(10561,10581) = 1
LCM(10561,10581) = ( 10561 × 10581) / 1
LCM(10561,10581) = 111745941 / 1
LCM(10561,10581) = 111745941

Least Common Multiple (LCM) of 10561 and 10581 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10561 and 10581. First we will calculate the prime factors of 10561 and 10581.

Prime Factorization of 10561

Prime Factorization of 10581

Now multiplying the highest exponent prime factors to calculate the LCM of 10561 and 10581.

LCM(10561,10581) = 59¹ × 179¹ × 3¹ × 3527¹
LCM(10561,10581) = 111745941