What is the Least Common Multiple of 43405 and 43419?

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 43405 and 43419 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 43405 and 43419, than apply into the LCM equation.

GCF(43405,43419) = 1
LCM(43405,43419) = ( 43405 × 43419) / 1
LCM(43405,43419) = 1884601695 / 1
LCM(43405,43419) = 1884601695

Least Common Multiple (LCM) of 43405 and 43419 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 43405 and 43419. First we will calculate the prime factors of 43405 and 43419.

Prime Factorization of 43405

Prime Factorization of 43419

Now multiplying the highest exponent prime factors to calculate the LCM of 43405 and 43419.

LCM(43405,43419) = 5¹ × 8681¹ × 3¹ × 41¹ × 353¹
LCM(43405,43419) = 1884601695