What is the Least Common Multiple of 43218 and 43226?

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 43218 and 43226 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43218 and 43226, than apply into the LCM equation.

GCF(43218,43226) = 2
LCM(43218,43226) = ( 43218 × 43226) / 2
LCM(43218,43226) = 1868141268 / 2
LCM(43218,43226) = 934070634

Least Common Multiple (LCM) of 43218 and 43226 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43218 and 43226. First we will calculate the prime factors of 43218 and 43226.

Prime Factorization of 43218

Prime Factorization of 43226

Now multiplying the highest exponent prime factors to calculate the LCM of 43218 and 43226.

LCM(43218,43226) = 2¹ × 3² × 7⁴ × 21613¹
LCM(43218,43226) = 934070634