What is the Least Common Multiple of 40439 and 40457?

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 40439 and 40457 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40439 and 40457, than apply into the LCM equation.

GCF(40439,40457) = 1
LCM(40439,40457) = ( 40439 × 40457) / 1
LCM(40439,40457) = 1636040623 / 1
LCM(40439,40457) = 1636040623

Least Common Multiple (LCM) of 40439 and 40457 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40439 and 40457. First we will calculate the prime factors of 40439 and 40457.

Prime Factorization of 40439

Prime Factorization of 40457

Now multiplying the highest exponent prime factors to calculate the LCM of 40439 and 40457.

LCM(40439,40457) = 7¹ × 53¹ × 109¹ × 23¹ × 1759¹
LCM(40439,40457) = 1636040623