What is the Least Common Multiple of 11638 and 11644?

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 11638 and 11644 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 11638 and 11644, than apply into the LCM equation.

GCF(11638,11644) = 2
LCM(11638,11644) = ( 11638 × 11644) / 2
LCM(11638,11644) = 135512872 / 2
LCM(11638,11644) = 67756436

Least Common Multiple (LCM) of 11638 and 11644 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 11638 and 11644. First we will calculate the prime factors of 11638 and 11644.

Prime Factorization of 11638

Prime Factorization of 11644

Now multiplying the highest exponent prime factors to calculate the LCM of 11638 and 11644.

LCM(11638,11644) = 2² × 11¹ × 23² × 41¹ × 71¹
LCM(11638,11644) = 67756436