What is the Least Common Multiple of 22221 and 22231?

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 22221 and 22231 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22221 and 22231, than apply into the LCM equation.

GCF(22221,22231) = 1
LCM(22221,22231) = ( 22221 × 22231) / 1
LCM(22221,22231) = 493995051 / 1
LCM(22221,22231) = 493995051

Least Common Multiple (LCM) of 22221 and 22231 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22221 and 22231. First we will calculate the prime factors of 22221 and 22231.

Prime Factorization of 22221

Prime Factorization of 22231

Now multiplying the highest exponent prime factors to calculate the LCM of 22221 and 22231.

LCM(22221,22231) = 3³ × 823¹ × 11¹ × 43¹ × 47¹
LCM(22221,22231) = 493995051