What is the Least Common Multiple of 2856 and 2869?

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 2856 and 2869 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2856 and 2869, than apply into the LCM equation.

GCF(2856,2869) = 1
LCM(2856,2869) = ( 2856 × 2869) / 1
LCM(2856,2869) = 8193864 / 1
LCM(2856,2869) = 8193864

Least Common Multiple (LCM) of 2856 and 2869 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2856 and 2869. First we will calculate the prime factors of 2856 and 2869.

Prime Factorization of 2856

Prime Factorization of 2869

Now multiplying the highest exponent prime factors to calculate the LCM of 2856 and 2869.

LCM(2856,2869) = 2³ × 3¹ × 7¹ × 17¹ × 19¹ × 151¹
LCM(2856,2869) = 8193864