What is the Least Common Multiple of 11573 and 11591?

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 11573 and 11591 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11573 and 11591, than apply into the LCM equation.

GCF(11573,11591) = 1
LCM(11573,11591) = ( 11573 × 11591) / 1
LCM(11573,11591) = 134142643 / 1
LCM(11573,11591) = 134142643

Least Common Multiple (LCM) of 11573 and 11591 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11573 and 11591. First we will calculate the prime factors of 11573 and 11591.

Prime Factorization of 11573

Prime Factorization of 11591

Now multiplying the highest exponent prime factors to calculate the LCM of 11573 and 11591.

LCM(11573,11591) = 71¹ × 163¹ × 67¹ × 173¹
LCM(11573,11591) = 134142643