What is the Least Common Multiple of 15747 and 15756?

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 15747 and 15756 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15747 and 15756, than apply into the LCM equation.

GCF(15747,15756) = 3
LCM(15747,15756) = ( 15747 × 15756) / 3
LCM(15747,15756) = 248109732 / 3
LCM(15747,15756) = 82703244

Least Common Multiple (LCM) of 15747 and 15756 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15747 and 15756. First we will calculate the prime factors of 15747 and 15756.

Prime Factorization of 15747

Prime Factorization of 15756

Now multiplying the highest exponent prime factors to calculate the LCM of 15747 and 15756.

LCM(15747,15756) = 3¹ × 29¹ × 181¹ × 2² × 13¹ × 101¹
LCM(15747,15756) = 82703244