What is the Least Common Multiple of 22643 and 22661?

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 22643 and 22661 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22643 and 22661, than apply into the LCM equation.

GCF(22643,22661) = 1
LCM(22643,22661) = ( 22643 × 22661) / 1
LCM(22643,22661) = 513113023 / 1
LCM(22643,22661) = 513113023

Least Common Multiple (LCM) of 22643 and 22661 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22643 and 22661. First we will calculate the prime factors of 22643 and 22661.

Prime Factorization of 22643

Prime Factorization of 22661

Now multiplying the highest exponent prime factors to calculate the LCM of 22643 and 22661.

LCM(22643,22661) = 22643¹ × 17¹ × 31¹ × 43¹
LCM(22643,22661) = 513113023