What is the Least Common Multiple of 15517 and 15531?

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 15517 and 15531 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15517 and 15531, than apply into the LCM equation.

GCF(15517,15531) = 1
LCM(15517,15531) = ( 15517 × 15531) / 1
LCM(15517,15531) = 240994527 / 1
LCM(15517,15531) = 240994527

Least Common Multiple (LCM) of 15517 and 15531 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15517 and 15531. First we will calculate the prime factors of 15517 and 15531.

Prime Factorization of 15517

Prime Factorization of 15531

Now multiplying the highest exponent prime factors to calculate the LCM of 15517 and 15531.

LCM(15517,15531) = 59¹ × 263¹ × 3¹ × 31¹ × 167¹
LCM(15517,15531) = 240994527