What is the Least Common Multiple of 40861 and 40878?

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 40861 and 40878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40861 and 40878, than apply into the LCM equation.

GCF(40861,40878) = 1
LCM(40861,40878) = ( 40861 × 40878) / 1
LCM(40861,40878) = 1670315958 / 1
LCM(40861,40878) = 1670315958

Least Common Multiple (LCM) of 40861 and 40878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40861 and 40878. First we will calculate the prime factors of 40861 and 40878.

Prime Factorization of 40861

Prime Factorization of 40878

Now multiplying the highest exponent prime factors to calculate the LCM of 40861 and 40878.

LCM(40861,40878) = 29¹ × 1409¹ × 2¹ × 3³ × 757¹
LCM(40861,40878) = 1670315958