What is the Least Common Multiple of 15523 and 15543?

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 15523 and 15543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15523 and 15543, than apply into the LCM equation.

GCF(15523,15543) = 1
LCM(15523,15543) = ( 15523 × 15543) / 1
LCM(15523,15543) = 241273989 / 1
LCM(15523,15543) = 241273989

Least Common Multiple (LCM) of 15523 and 15543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15523 and 15543. First we will calculate the prime factors of 15523 and 15543.

Prime Factorization of 15523

Prime Factorization of 15543

Now multiplying the highest exponent prime factors to calculate the LCM of 15523 and 15543.

LCM(15523,15543) = 19² × 43¹ × 3² × 11¹ × 157¹
LCM(15523,15543) = 241273989