What is the Least Common Multiple of 15631 and 15649?

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 15631 and 15649 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15631 and 15649, than apply into the LCM equation.

GCF(15631,15649) = 1
LCM(15631,15649) = ( 15631 × 15649) / 1
LCM(15631,15649) = 244609519 / 1
LCM(15631,15649) = 244609519

Least Common Multiple (LCM) of 15631 and 15649 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15631 and 15649. First we will calculate the prime factors of 15631 and 15649.

Prime Factorization of 15631

Prime Factorization of 15649

Now multiplying the highest exponent prime factors to calculate the LCM of 15631 and 15649.

LCM(15631,15649) = 7² × 11¹ × 29¹ × 15649¹
LCM(15631,15649) = 244609519