What is the Least Common Multiple of 43398 and 43405?

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 43398 and 43405 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43398 and 43405, than apply into the LCM equation.

GCF(43398,43405) = 1
LCM(43398,43405) = ( 43398 × 43405) / 1
LCM(43398,43405) = 1883690190 / 1
LCM(43398,43405) = 1883690190

Least Common Multiple (LCM) of 43398 and 43405 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43398 and 43405. First we will calculate the prime factors of 43398 and 43405.

Prime Factorization of 43398

Prime Factorization of 43405

Now multiplying the highest exponent prime factors to calculate the LCM of 43398 and 43405.

LCM(43398,43405) = 2¹ × 3² × 2411¹ × 5¹ × 8681¹
LCM(43398,43405) = 1883690190