What is the Least Common Multiple of 12865 and 12881?

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 12865 and 12881 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12865 and 12881, than apply into the LCM equation.

GCF(12865,12881) = 1
LCM(12865,12881) = ( 12865 × 12881) / 1
LCM(12865,12881) = 165714065 / 1
LCM(12865,12881) = 165714065

Least Common Multiple (LCM) of 12865 and 12881 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12865 and 12881. First we will calculate the prime factors of 12865 and 12881.

Prime Factorization of 12865

Prime Factorization of 12881

Now multiplying the highest exponent prime factors to calculate the LCM of 12865 and 12881.

LCM(12865,12881) = 5¹ × 31¹ × 83¹ × 11¹ × 1171¹
LCM(12865,12881) = 165714065