What is the Least Common Multiple of 16383 and 16391?

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 16383 and 16391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16383 and 16391, than apply into the LCM equation.

GCF(16383,16391) = 1
LCM(16383,16391) = ( 16383 × 16391) / 1
LCM(16383,16391) = 268533753 / 1
LCM(16383,16391) = 268533753

Least Common Multiple (LCM) of 16383 and 16391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16383 and 16391. First we will calculate the prime factors of 16383 and 16391.

Prime Factorization of 16383

Prime Factorization of 16391

Now multiplying the highest exponent prime factors to calculate the LCM of 16383 and 16391.

LCM(16383,16391) = 3¹ × 43¹ × 127¹ × 37¹ × 443¹
LCM(16383,16391) = 268533753