What is the Least Common Multiple of 86856 and 86865?

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 86856 and 86865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 86856 and 86865, than apply into the LCM equation.

GCF(86856,86865) = 3
LCM(86856,86865) = ( 86856 × 86865) / 3
LCM(86856,86865) = 7544746440 / 3
LCM(86856,86865) = 2514915480

Least Common Multiple (LCM) of 86856 and 86865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 86856 and 86865. First we will calculate the prime factors of 86856 and 86865.

Prime Factorization of 86856

Prime Factorization of 86865

Now multiplying the highest exponent prime factors to calculate the LCM of 86856 and 86865.

LCM(86856,86865) = 2³ × 3¹ × 7¹ × 11¹ × 47¹ × 5¹ × 5791¹
LCM(86856,86865) = 2514915480