What is the Least Common Multiple of 18418 and 18436?

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 18418 and 18436 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 18418 and 18436, than apply into the LCM equation.

GCF(18418,18436) = 2
LCM(18418,18436) = ( 18418 × 18436) / 2
LCM(18418,18436) = 339554248 / 2
LCM(18418,18436) = 169777124

Least Common Multiple (LCM) of 18418 and 18436 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 18418 and 18436. First we will calculate the prime factors of 18418 and 18436.

Prime Factorization of 18418

Prime Factorization of 18436

Now multiplying the highest exponent prime factors to calculate the LCM of 18418 and 18436.

LCM(18418,18436) = 2² × 9209¹ × 11¹ × 419¹
LCM(18418,18436) = 169777124