2021 JMPSC Accuracy Problems/Problem 1

Problem

Find the sum of all positive multiples of $3$ that are factors of $27.$

Solution

We use the fact that 27 = 2^3 $to conclude that the only multiples of$ 3 $that are factors of$ 27 $are$ 3 $,$ 9 $, and$ 27 $. Thus, our answer is$ 3+9+27=\boxed{39)$

~Bradygho

Page

Toolbox

Search

2021 JMPSC Accuracy Problems/Problem 1

Problem

Solution