What is the Least Common Multiple of 66378 and 66386?

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 66378 and 66386 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 66378 and 66386, than apply into the LCM equation.

GCF(66378,66386) = 2
LCM(66378,66386) = ( 66378 × 66386) / 2
LCM(66378,66386) = 4406569908 / 2
LCM(66378,66386) = 2203284954

Least Common Multiple (LCM) of 66378 and 66386 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 66378 and 66386. First we will calculate the prime factors of 66378 and 66386.

Prime Factorization of 66378

Prime Factorization of 66386

Now multiplying the highest exponent prime factors to calculate the LCM of 66378 and 66386.

LCM(66378,66386) = 2¹ × 3¹ × 13¹ × 23¹ × 37¹ × 19¹ × 1747¹
LCM(66378,66386) = 2203284954