What is the Least Common Multiple of 22800 and 22809?

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 22800 and 22809 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22800 and 22809, than apply into the LCM equation.

GCF(22800,22809) = 3
LCM(22800,22809) = ( 22800 × 22809) / 3
LCM(22800,22809) = 520045200 / 3
LCM(22800,22809) = 173348400

Least Common Multiple (LCM) of 22800 and 22809 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22800 and 22809. First we will calculate the prime factors of 22800 and 22809.

Prime Factorization of 22800

Prime Factorization of 22809

Now multiplying the highest exponent prime factors to calculate the LCM of 22800 and 22809.

LCM(22800,22809) = 2⁴ × 3¹ × 5² × 19¹ × 7603¹
LCM(22800,22809) = 173348400