What is the Least Common Multiple of 31488 and 31507?

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 31488 and 31507 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 31488 and 31507, than apply into the LCM equation.

GCF(31488,31507) = 1
LCM(31488,31507) = ( 31488 × 31507) / 1
LCM(31488,31507) = 992092416 / 1
LCM(31488,31507) = 992092416

Least Common Multiple (LCM) of 31488 and 31507 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 31488 and 31507. First we will calculate the prime factors of 31488 and 31507.

Prime Factorization of 31488

Prime Factorization of 31507

Now multiplying the highest exponent prime factors to calculate the LCM of 31488 and 31507.

LCM(31488,31507) = 2⁸ × 3¹ × 41¹ × 7² × 643¹
LCM(31488,31507) = 992092416