What is the Least Common Multiple of 11145 and 11161?

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 11145 and 11161 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11145 and 11161, than apply into the LCM equation.

GCF(11145,11161) = 1
LCM(11145,11161) = ( 11145 × 11161) / 1
LCM(11145,11161) = 124389345 / 1
LCM(11145,11161) = 124389345

Least Common Multiple (LCM) of 11145 and 11161 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11145 and 11161. First we will calculate the prime factors of 11145 and 11161.

Prime Factorization of 11145

Prime Factorization of 11161

Now multiplying the highest exponent prime factors to calculate the LCM of 11145 and 11161.

LCM(11145,11161) = 3¹ × 5¹ × 743¹ × 11161¹
LCM(11145,11161) = 124389345