What is the Least Common Multiple of 22221 and 22228?

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 22228 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 22228, than apply into the LCM equation.

GCF(22221,22228) = 1
LCM(22221,22228) = ( 22221 × 22228) / 1
LCM(22221,22228) = 493928388 / 1
LCM(22221,22228) = 493928388

Least Common Multiple (LCM) of 22221 and 22228 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22221 and 22228. First we will calculate the prime factors of 22221 and 22228.

Prime Factorization of 22221

Prime Factorization of 22228

Now multiplying the highest exponent prime factors to calculate the LCM of 22221 and 22228.

LCM(22221,22228) = 3³ × 823¹ × 2² × 5557¹
LCM(22221,22228) = 493928388