What is the Least Common Multiple of 12383 and 12391?

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 12383 and 12391 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12383 and 12391, than apply into the LCM equation.

GCF(12383,12391) = 1
LCM(12383,12391) = ( 12383 × 12391) / 1
LCM(12383,12391) = 153437753 / 1
LCM(12383,12391) = 153437753

Least Common Multiple (LCM) of 12383 and 12391 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12383 and 12391. First we will calculate the prime factors of 12383 and 12391.

Prime Factorization of 12383

Prime Factorization of 12391

Now multiplying the highest exponent prime factors to calculate the LCM of 12383 and 12391.

LCM(12383,12391) = 7¹ × 29¹ × 61¹ × 12391¹
LCM(12383,12391) = 153437753