What is the Least Common Multiple of 15531 and 15537?

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 15531 and 15537 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15531 and 15537, than apply into the LCM equation.

GCF(15531,15537) = 3
LCM(15531,15537) = ( 15531 × 15537) / 3
LCM(15531,15537) = 241305147 / 3
LCM(15531,15537) = 80435049

Least Common Multiple (LCM) of 15531 and 15537 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15531 and 15537. First we will calculate the prime factors of 15531 and 15537.

Prime Factorization of 15531

Prime Factorization of 15537

Now multiplying the highest exponent prime factors to calculate the LCM of 15531 and 15537.

LCM(15531,15537) = 3¹ × 31¹ × 167¹ × 5179¹
LCM(15531,15537) = 80435049