What is the Least Common Multiple of 40842 and 40858?

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 40842 and 40858 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40842 and 40858, than apply into the LCM equation.

GCF(40842,40858) = 2
LCM(40842,40858) = ( 40842 × 40858) / 2
LCM(40842,40858) = 1668722436 / 2
LCM(40842,40858) = 834361218

Least Common Multiple (LCM) of 40842 and 40858 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40842 and 40858. First we will calculate the prime factors of 40842 and 40858.

Prime Factorization of 40842

Prime Factorization of 40858

Now multiplying the highest exponent prime factors to calculate the LCM of 40842 and 40858.

LCM(40842,40858) = 2¹ × 3² × 2269¹ × 31¹ × 659¹
LCM(40842,40858) = 834361218