What is the Least Common Multiple of 40385 and 40399?

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 40385 and 40399 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40385 and 40399, than apply into the LCM equation.

GCF(40385,40399) = 1
LCM(40385,40399) = ( 40385 × 40399) / 1
LCM(40385,40399) = 1631513615 / 1
LCM(40385,40399) = 1631513615

Least Common Multiple (LCM) of 40385 and 40399 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40385 and 40399. First we will calculate the prime factors of 40385 and 40399.

Prime Factorization of 40385

Prime Factorization of 40399

Now multiplying the highest exponent prime factors to calculate the LCM of 40385 and 40399.

LCM(40385,40399) = 5¹ × 41¹ × 197¹ × 71¹ × 569¹
LCM(40385,40399) = 1631513615