What is the Least Common Multiple of 22418 and 22436?

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 22418 and 22436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 22418 and 22436, than apply into the LCM equation.

GCF(22418,22436) = 2
LCM(22418,22436) = ( 22418 × 22436) / 2
LCM(22418,22436) = 502970248 / 2
LCM(22418,22436) = 251485124

Least Common Multiple (LCM) of 22418 and 22436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 22418 and 22436. First we will calculate the prime factors of 22418 and 22436.

Prime Factorization of 22418

Prime Factorization of 22436

Now multiplying the highest exponent prime factors to calculate the LCM of 22418 and 22436.

LCM(22418,22436) = 2² × 11¹ × 1019¹ × 71¹ × 79¹
LCM(22418,22436) = 251485124