What is the Least Common Multiple of 2861 and 2867?

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 2861 and 2867 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 2861 and 2867, than apply into the LCM equation.

GCF(2861,2867) = 1
LCM(2861,2867) = ( 2861 × 2867) / 1
LCM(2861,2867) = 8202487 / 1
LCM(2861,2867) = 8202487

Least Common Multiple (LCM) of 2861 and 2867 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 2861 and 2867. First we will calculate the prime factors of 2861 and 2867.

Prime Factorization of 2861

Prime Factorization of 2867

Now multiplying the highest exponent prime factors to calculate the LCM of 2861 and 2867.

LCM(2861,2867) = 2861¹ × 47¹ × 61¹
LCM(2861,2867) = 8202487