What is the Least Common Multiple of 17480 and 17491?

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 17480 and 17491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17480 and 17491, than apply into the LCM equation.

GCF(17480,17491) = 1
LCM(17480,17491) = ( 17480 × 17491) / 1
LCM(17480,17491) = 305742680 / 1
LCM(17480,17491) = 305742680

Least Common Multiple (LCM) of 17480 and 17491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17480 and 17491. First we will calculate the prime factors of 17480 and 17491.

Prime Factorization of 17480

Prime Factorization of 17491

Now multiplying the highest exponent prime factors to calculate the LCM of 17480 and 17491.

LCM(17480,17491) = 2³ × 5¹ × 19¹ × 23¹ × 17491¹
LCM(17480,17491) = 305742680