What is the Least Common Multiple of 16921 and 16929?

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 16921 and 16929 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16921 and 16929, than apply into the LCM equation.

GCF(16921,16929) = 1
LCM(16921,16929) = ( 16921 × 16929) / 1
LCM(16921,16929) = 286455609 / 1
LCM(16921,16929) = 286455609

Least Common Multiple (LCM) of 16921 and 16929 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16921 and 16929. First we will calculate the prime factors of 16921 and 16929.

Prime Factorization of 16921

Prime Factorization of 16929

Now multiplying the highest exponent prime factors to calculate the LCM of 16921 and 16929.

LCM(16921,16929) = 16921¹ × 3⁴ × 11¹ × 19¹
LCM(16921,16929) = 286455609