What is the Least Common Multiple of 12471 and 12491?

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 12471 and 12491 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12471 and 12491, than apply into the LCM equation.

GCF(12471,12491) = 1
LCM(12471,12491) = ( 12471 × 12491) / 1
LCM(12471,12491) = 155775261 / 1
LCM(12471,12491) = 155775261

Least Common Multiple (LCM) of 12471 and 12491 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12471 and 12491. First we will calculate the prime factors of 12471 and 12491.

Prime Factorization of 12471

Prime Factorization of 12491

Now multiplying the highest exponent prime factors to calculate the LCM of 12471 and 12491.

LCM(12471,12491) = 3¹ × 4157¹ × 12491¹
LCM(12471,12491) = 155775261