What is the Least Common Multiple of 51705 and 51721?

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 51705 and 51721 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 51705 and 51721, than apply into the LCM equation.

GCF(51705,51721) = 1
LCM(51705,51721) = ( 51705 × 51721) / 1
LCM(51705,51721) = 2674234305 / 1
LCM(51705,51721) = 2674234305

Least Common Multiple (LCM) of 51705 and 51721 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 51705 and 51721. First we will calculate the prime factors of 51705 and 51721.

Prime Factorization of 51705

Prime Factorization of 51721

Now multiplying the highest exponent prime factors to calculate the LCM of 51705 and 51721.

LCM(51705,51721) = 3³ × 5¹ × 383¹ × 51721¹
LCM(51705,51721) = 2674234305