What is the Least Common Multiple of 11480 and 11491?

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 11480 and 11491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11480 and 11491, than apply into the LCM equation.

GCF(11480,11491) = 1
LCM(11480,11491) = ( 11480 × 11491) / 1
LCM(11480,11491) = 131916680 / 1
LCM(11480,11491) = 131916680

Least Common Multiple (LCM) of 11480 and 11491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11480 and 11491. First we will calculate the prime factors of 11480 and 11491.

Prime Factorization of 11480

Prime Factorization of 11491

Now multiplying the highest exponent prime factors to calculate the LCM of 11480 and 11491.

LCM(11480,11491) = 2³ × 5¹ × 7¹ × 41¹ × 11491¹
LCM(11480,11491) = 131916680