What is the Least Common Multiple of 16491 and 16497?

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 16491 and 16497 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16491 and 16497, than apply into the LCM equation.

GCF(16491,16497) = 3
LCM(16491,16497) = ( 16491 × 16497) / 3
LCM(16491,16497) = 272052027 / 3
LCM(16491,16497) = 90684009

Least Common Multiple (LCM) of 16491 and 16497 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16491 and 16497. First we will calculate the prime factors of 16491 and 16497.

Prime Factorization of 16491

Prime Factorization of 16497

Now multiplying the highest exponent prime factors to calculate the LCM of 16491 and 16497.

LCM(16491,16497) = 3³ × 23¹ × 239¹ × 13¹ × 47¹
LCM(16491,16497) = 90684009