GCF and LCM Calculator Logo

What is the Least Common Multiple of 2865 and 2878?

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 (LCM) of 2865 and 2878 is 8245470.

LCM(2865,2878) = 8245470

LCM Calculator and
and

Least Common Multiple of 2865 and 2878 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2865 and 2878, than apply into the LCM equation.

GCF(2865,2878) = 1
LCM(2865,2878) = ( 2865 × 2878) / 1
LCM(2865,2878) = 8245470 / 1
LCM(2865,2878) = 8245470

Least Common Multiple (LCM) of 2865 and 2878 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2865 and 2878. First we will calculate the prime factors of 2865 and 2878.

Prime Factorization of 2865

Prime factors of 2865 are 3, 5, 191. Prime factorization of 2865 in exponential form is:

2865 = 31 × 51 × 1911

Prime Factorization of 2878

Prime factors of 2878 are 2, 1439. Prime factorization of 2878 in exponential form is:

2878 = 21 × 14391

Now multiplying the highest exponent prime factors to calculate the LCM of 2865 and 2878.

LCM(2865,2878) = 31 × 51 × 1911 × 21 × 14391
LCM(2865,2878) = 8245470