What is the Least Common Multiple of 9729 and 9747?

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 9729 and 9747 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 9729 and 9747, than apply into the LCM equation.

GCF(9729,9747) = 9
LCM(9729,9747) = ( 9729 × 9747) / 9
LCM(9729,9747) = 94828563 / 9
LCM(9729,9747) = 10536507

Least Common Multiple (LCM) of 9729 and 9747 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 9729 and 9747. First we will calculate the prime factors of 9729 and 9747.

Prime Factorization of 9729

Prime Factorization of 9747

Now multiplying the highest exponent prime factors to calculate the LCM of 9729 and 9747.

LCM(9729,9747) = 3³ × 23¹ × 47¹ × 19²
LCM(9729,9747) = 10536507