What is the Least Common Multiple of 11513 and 11521?

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 11513 and 11521 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11513 and 11521, than apply into the LCM equation.

GCF(11513,11521) = 1
LCM(11513,11521) = ( 11513 × 11521) / 1
LCM(11513,11521) = 132641273 / 1
LCM(11513,11521) = 132641273

Least Common Multiple (LCM) of 11513 and 11521 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11513 and 11521. First we will calculate the prime factors of 11513 and 11521.

Prime Factorization of 11513

Prime Factorization of 11521

Now multiplying the highest exponent prime factors to calculate the LCM of 11513 and 11521.

LCM(11513,11521) = 29¹ × 397¹ × 41¹ × 281¹
LCM(11513,11521) = 132641273