What is the Least Common Multiple of 16381 and 16385?

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 16381 and 16385 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16381 and 16385, than apply into the LCM equation.

GCF(16381,16385) = 1
LCM(16381,16385) = ( 16381 × 16385) / 1
LCM(16381,16385) = 268402685 / 1
LCM(16381,16385) = 268402685

Least Common Multiple (LCM) of 16381 and 16385 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16381 and 16385. First we will calculate the prime factors of 16381 and 16385.

Prime Factorization of 16381

Prime Factorization of 16385

Now multiplying the highest exponent prime factors to calculate the LCM of 16381 and 16385.

LCM(16381,16385) = 16381¹ × 5¹ × 29¹ × 113¹
LCM(16381,16385) = 268402685