What is the Least Common Multiple of 10869 and 10881?

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 10869 and 10881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 10869 and 10881, than apply into the LCM equation.

GCF(10869,10881) = 3
LCM(10869,10881) = ( 10869 × 10881) / 3
LCM(10869,10881) = 118265589 / 3
LCM(10869,10881) = 39421863

Least Common Multiple (LCM) of 10869 and 10881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 10869 and 10881. First we will calculate the prime factors of 10869 and 10881.

Prime Factorization of 10869

Prime Factorization of 10881

Now multiplying the highest exponent prime factors to calculate the LCM of 10869 and 10881.

LCM(10869,10881) = 3³ × 3623¹ × 13¹ × 31¹
LCM(10869,10881) = 39421863