What is the Least Common Multiple of 8857 and 8865?

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 8857 and 8865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 8857 and 8865, than apply into the LCM equation.

GCF(8857,8865) = 1
LCM(8857,8865) = ( 8857 × 8865) / 1
LCM(8857,8865) = 78517305 / 1
LCM(8857,8865) = 78517305

Least Common Multiple (LCM) of 8857 and 8865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 8857 and 8865. First we will calculate the prime factors of 8857 and 8865.

Prime Factorization of 8857

Prime Factorization of 8865

Now multiplying the highest exponent prime factors to calculate the LCM of 8857 and 8865.

LCM(8857,8865) = 17¹ × 521¹ × 3² × 5¹ × 197¹
LCM(8857,8865) = 78517305