MA-410 Homework 2

Due at 10:15am in class, Wednesday, March 11, 2009

Solutions may only be submitted in person in class.
Note my office hours on my schedule.

1. Please prove for all composite integers n ≥ 4: 2ⁿ - 1 is a composite integer.
2. ENT, §4.2, Problem 3, page 67.
3. ENT, §4.2, Problem 6(b), page 68.
4. ENT, §4.4, Problem 10, page 83.
5. ENT, §4.4, Problem 17, page 83.