What is the Least Common Multiple of 17689 and 17709?

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 17689 and 17709 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17689 and 17709, than apply into the LCM equation.

GCF(17689,17709) = 1
LCM(17689,17709) = ( 17689 × 17709) / 1
LCM(17689,17709) = 313254501 / 1
LCM(17689,17709) = 313254501

Least Common Multiple (LCM) of 17689 and 17709 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17689 and 17709. First we will calculate the prime factors of 17689 and 17709.

Prime Factorization of 17689

Prime Factorization of 17709

Now multiplying the highest exponent prime factors to calculate the LCM of 17689 and 17709.

LCM(17689,17709) = 7² × 19² × 3¹ × 5903¹
LCM(17689,17709) = 313254501