What is the Least Common Multiple of 51309 and 51315?

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 51309 and 51315 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51309 and 51315, than apply into the LCM equation.

GCF(51309,51315) = 3
LCM(51309,51315) = ( 51309 × 51315) / 3
LCM(51309,51315) = 2632921335 / 3
LCM(51309,51315) = 877640445

Least Common Multiple (LCM) of 51309 and 51315 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51309 and 51315. First we will calculate the prime factors of 51309 and 51315.

Prime Factorization of 51309

Prime Factorization of 51315

Now multiplying the highest exponent prime factors to calculate the LCM of 51309 and 51315.

LCM(51309,51315) = 3² × 5701¹ × 5¹ × 11¹ × 311¹
LCM(51309,51315) = 877640445