Question

For all positive integers n, let *n* equal the greatest prime number that is a divisor of n. What does *10*/*12* equal?

Answer 1

9514 1404 393

Answer:

5/3

Explanation:

The prime factorizations are ...

10 = 2·5

12 = 2·2·3

Then *10* = 5 and *12* = 3, so *10*/*12* = 5/3.