What is the Least Common Multiple of 12387 and 12400?

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 12387 and 12400 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 12387 and 12400, than apply into the LCM equation.

GCF(12387,12400) = 1
LCM(12387,12400) = ( 12387 × 12400) / 1
LCM(12387,12400) = 153598800 / 1
LCM(12387,12400) = 153598800

Least Common Multiple (LCM) of 12387 and 12400 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 12387 and 12400. First we will calculate the prime factors of 12387 and 12400.

Prime Factorization of 12387

Prime Factorization of 12400

Now multiplying the highest exponent prime factors to calculate the LCM of 12387 and 12400.

LCM(12387,12400) = 3¹ × 4129¹ × 2⁴ × 5² × 31¹
LCM(12387,12400) = 153598800