What is the Least Common Multiple of 83856 and 83865?

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 83856 and 83865 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 83856 and 83865, than apply into the LCM equation.

GCF(83856,83865) = 3
LCM(83856,83865) = ( 83856 × 83865) / 3
LCM(83856,83865) = 7032583440 / 3
LCM(83856,83865) = 2344194480

Least Common Multiple (LCM) of 83856 and 83865 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 83856 and 83865. First we will calculate the prime factors of 83856 and 83865.

Prime Factorization of 83856

Prime Factorization of 83865

Now multiplying the highest exponent prime factors to calculate the LCM of 83856 and 83865.

LCM(83856,83865) = 2⁴ × 3¹ × 1747¹ × 5¹ × 5591¹
LCM(83856,83865) = 2344194480