MathDB

2016 preRMO p15, least common multiple of m and n equals 600

Source:

August 9, 2019

LCMleast common multiplenumber theory

Problem Statement

Find the number of pairs of positive integers

(m; n)

, with

m \le n

, such that the ‘least common multiple’ (LCM) of

m

and

n

equals

600