What is the Least Common Multiple of 51805 and 51815?

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 51805 and 51815 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51805 and 51815, than apply into the LCM equation.

GCF(51805,51815) = 5
LCM(51805,51815) = ( 51805 × 51815) / 5
LCM(51805,51815) = 2684276075 / 5
LCM(51805,51815) = 536855215

Least Common Multiple (LCM) of 51805 and 51815 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51805 and 51815. First we will calculate the prime factors of 51805 and 51815.

Prime Factorization of 51805

Prime Factorization of 51815

Now multiplying the highest exponent prime factors to calculate the LCM of 51805 and 51815.

LCM(51805,51815) = 5¹ × 13¹ × 797¹ × 43¹ × 241¹
LCM(51805,51815) = 536855215