Question

What is the largest odd number that is a factor of 860 ?

Answer 1

\[860=2^2\times 5\times 43\]

Answer 2

no the answer is 215

Answer 3

that's what i though too but it isn't

Answer 4

I think he was giving you a hint of where to go.

You can get the factors from the prime factorization

The factors are:

2
4
5
10
20
86
172
215

You get these by multiplying the numbers in your prime factorization

Answer 5

oh thx

Answer 6

Yup :)