What is the Least Common Multiple of 2836 and 2855?

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 2836 and 2855 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2836 and 2855, than apply into the LCM equation.

GCF(2836,2855) = 1
LCM(2836,2855) = ( 2836 × 2855) / 1
LCM(2836,2855) = 8096780 / 1
LCM(2836,2855) = 8096780

Least Common Multiple (LCM) of 2836 and 2855 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2836 and 2855. First we will calculate the prime factors of 2836 and 2855.

Prime Factorization of 2836

Prime Factorization of 2855

Now multiplying the highest exponent prime factors to calculate the LCM of 2836 and 2855.

LCM(2836,2855) = 2² × 709¹ × 5¹ × 571¹
LCM(2836,2855) = 8096780