What is the Least Common Multiple of 9480 and 9489?

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 9480 and 9489 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9480 and 9489, than apply into the LCM equation.

GCF(9480,9489) = 3
LCM(9480,9489) = ( 9480 × 9489) / 3
LCM(9480,9489) = 89955720 / 3
LCM(9480,9489) = 29985240

Least Common Multiple (LCM) of 9480 and 9489 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9480 and 9489. First we will calculate the prime factors of 9480 and 9489.

Prime Factorization of 9480

Prime Factorization of 9489

Now multiplying the highest exponent prime factors to calculate the LCM of 9480 and 9489.

LCM(9480,9489) = 2³ × 3¹ × 5¹ × 79¹ × 3163¹
LCM(9480,9489) = 29985240