What is the Least Common Multiple of 15321 and 15327?

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 15321 and 15327 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 15321 and 15327, than apply into the LCM equation.

GCF(15321,15327) = 3
LCM(15321,15327) = ( 15321 × 15327) / 3
LCM(15321,15327) = 234824967 / 3
LCM(15321,15327) = 78274989

Least Common Multiple (LCM) of 15321 and 15327 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 15321 and 15327. First we will calculate the prime factors of 15321 and 15327.

Prime Factorization of 15321

Prime Factorization of 15327

Now multiplying the highest exponent prime factors to calculate the LCM of 15321 and 15327.

LCM(15321,15327) = 3² × 5107¹ × 13¹ × 131¹
LCM(15321,15327) = 78274989