What is the Least Common Multiple of 11681 and 11689?

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 11681 and 11689 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11681 and 11689, than apply into the LCM equation.

GCF(11681,11689) = 1
LCM(11681,11689) = ( 11681 × 11689) / 1
LCM(11681,11689) = 136539209 / 1
LCM(11681,11689) = 136539209

Least Common Multiple (LCM) of 11681 and 11689 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11681 and 11689. First we will calculate the prime factors of 11681 and 11689.

Prime Factorization of 11681

Prime Factorization of 11689

Now multiplying the highest exponent prime factors to calculate the LCM of 11681 and 11689.

LCM(11681,11689) = 11681¹ × 11689¹
LCM(11681,11689) = 136539209