GCF and LCM Calculator Logo

What is the Least Common Multiple of 2851 and 2871?

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 2851 and 2871 is 8185221.

LCM(2851,2871) = 8185221

LCM Calculator and
and

Least Common Multiple of 2851 and 2871 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2851 and 2871, than apply into the LCM equation.

GCF(2851,2871) = 1
LCM(2851,2871) = ( 2851 × 2871) / 1
LCM(2851,2871) = 8185221 / 1
LCM(2851,2871) = 8185221

Least Common Multiple (LCM) of 2851 and 2871 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2851 and 2871. First we will calculate the prime factors of 2851 and 2871.

Prime Factorization of 2851

Prime factors of 2851 are 2851. Prime factorization of 2851 in exponential form is:

2851 = 28511

Prime Factorization of 2871

Prime factors of 2871 are 3, 11, 29. Prime factorization of 2871 in exponential form is:

2871 = 32 × 111 × 291

Now multiplying the highest exponent prime factors to calculate the LCM of 2851 and 2871.

LCM(2851,2871) = 28511 × 32 × 111 × 291
LCM(2851,2871) = 8185221