## MA-410 Homework 2

Due at 10:10am in class, Wednesday, March 2, 2005

Solutions may be submitted in person in class,
or you may email an ASCII text,
html, or postscipt/pdf-formatted document to me.

Note my office hours on my
schedule.

- Please prove for all composite integers
*n ≥ 4*:
*2*^{n} - 1 is a composite integer.
- ENT, §4.2, Problem 2, page 68.
- ENT, §4.2, Problem 6(a) and 6(d), page 69.
- ENT, §4.4, Problem 10, page 82.