What is the Least Common Multiple of 40856 and 40861?

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 40856 and 40861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 40856 and 40861, than apply into the LCM equation.

GCF(40856,40861) = 1
LCM(40856,40861) = ( 40856 × 40861) / 1
LCM(40856,40861) = 1669417016 / 1
LCM(40856,40861) = 1669417016

Least Common Multiple (LCM) of 40856 and 40861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 40856 and 40861. First we will calculate the prime factors of 40856 and 40861.

Prime Factorization of 40856

Prime Factorization of 40861

Now multiplying the highest exponent prime factors to calculate the LCM of 40856 and 40861.

LCM(40856,40861) = 2³ × 5107¹ × 29¹ × 1409¹
LCM(40856,40861) = 1669417016