What is the Least Common Multiple of 19523 and 19543?

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 19523 and 19543 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 19523 and 19543, than apply into the LCM equation.

GCF(19523,19543) = 1
LCM(19523,19543) = ( 19523 × 19543) / 1
LCM(19523,19543) = 381537989 / 1
LCM(19523,19543) = 381537989

Least Common Multiple (LCM) of 19523 and 19543 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 19523 and 19543. First we will calculate the prime factors of 19523 and 19543.

Prime Factorization of 19523

Prime Factorization of 19543

Now multiplying the highest exponent prime factors to calculate the LCM of 19523 and 19543.

LCM(19523,19543) = 7¹ × 2789¹ × 19543¹
LCM(19523,19543) = 381537989