What is the Least Common Multiple of 28857 and 28865?

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 28857 and 28865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28857 and 28865, than apply into the LCM equation.

GCF(28857,28865) = 1
LCM(28857,28865) = ( 28857 × 28865) / 1
LCM(28857,28865) = 832957305 / 1
LCM(28857,28865) = 832957305

Least Common Multiple (LCM) of 28857 and 28865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28857 and 28865. First we will calculate the prime factors of 28857 and 28865.

Prime Factorization of 28857

Prime Factorization of 28865

Now multiplying the highest exponent prime factors to calculate the LCM of 28857 and 28865.

LCM(28857,28865) = 3¹ × 9619¹ × 5¹ × 23¹ × 251¹
LCM(28857,28865) = 832957305