What is the Least Common Multiple of 5581 and 5585?

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 5581 and 5585 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 5581 and 5585, than apply into the LCM equation.

GCF(5581,5585) = 1
LCM(5581,5585) = ( 5581 × 5585) / 1
LCM(5581,5585) = 31169885 / 1
LCM(5581,5585) = 31169885

Least Common Multiple (LCM) of 5581 and 5585 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 5581 and 5585. First we will calculate the prime factors of 5581 and 5585.

Prime Factorization of 5581

Prime Factorization of 5585

Now multiplying the highest exponent prime factors to calculate the LCM of 5581 and 5585.

LCM(5581,5585) = 5581¹ × 5¹ × 1117¹
LCM(5581,5585) = 31169885