Answer
1,5
Work Step by Step
The leading coefficients: $\pm 1$
The constant terms: $\pm 1, \pm 5, \pm 43, \pm 215$
The possible rational zeros are: $\pm\frac{1}{1},\pm \frac{5}{1},\pm \frac{43}{1},\pm\frac{215}{1}$
The possible solutions that are whole numbers less than 10: $1,5$
