What is the Least Common Multiple of 28915 and 28931?

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 28915 and 28931 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 28915 and 28931, than apply into the LCM equation.

GCF(28915,28931) = 1
LCM(28915,28931) = ( 28915 × 28931) / 1
LCM(28915,28931) = 836539865 / 1
LCM(28915,28931) = 836539865

Least Common Multiple (LCM) of 28915 and 28931 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 28915 and 28931. First we will calculate the prime factors of 28915 and 28931.

Prime Factorization of 28915

Prime Factorization of 28931

Now multiplying the highest exponent prime factors to calculate the LCM of 28915 and 28931.

LCM(28915,28931) = 5¹ × 5783¹ × 7¹ × 4133¹
LCM(28915,28931) = 836539865