The probability that the number is a factor of 35 is \(\frac{3}{8}\).
The multiples of 3 on the spinner are 3 and 6.
The sectors that are multiples of 3 are 3 and 6. There are 2 such sectors.
The probability that the number is a multiple of 3 is \(\frac{2}{8} = \frac{1}{4}\).