What is the Least Common Multiple of 47168 and 47178?

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 47168 and 47178 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 47168 and 47178, than apply into the LCM equation.

GCF(47168,47178) = 2
LCM(47168,47178) = ( 47168 × 47178) / 2
LCM(47168,47178) = 2225291904 / 2
LCM(47168,47178) = 1112645952

Least Common Multiple (LCM) of 47168 and 47178 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 47168 and 47178. First we will calculate the prime factors of 47168 and 47178.

Prime Factorization of 47168

Prime Factorization of 47178

Now multiplying the highest exponent prime factors to calculate the LCM of 47168 and 47178.

LCM(47168,47178) = 2⁶ × 11¹ × 67¹ × 3² × 2621¹
LCM(47168,47178) = 1112645952