# Math 3319 Elementary Number Theory Homework

## Dr. Duval

The final exam is Wednesday, December 10, 4:00-6:45. We never finished 2.9 or 3.17; if you write these up they will count as extra credit.

### Progress so far

Wed. Dec. 3: 3.24. Write this up by Wed. Dec. 10 for partial credit.
Mon. Dec. 1: 3.16, 3.19, 3.20, 3.23. Write these up by Mon. Dec. 8 for partial credit; you don't have to write up 3.23.
Wed. Nov. 26: 3.14 (uniqueness), 3.15, 3.18 (including part 4, which inadvertently gave us 3.21, 3.22; you don't have to write up 3.21 and 3.22).
Mon. Nov. 24: 3.7, 3.8, 3.14 (existence).
Wed. Nov. 19: 2.38, 3.2, 3.3, 3.4.
Mon. Nov. 17: 2.37. We also started 2.9, and almost finished 2.38.
Wed. Nov. 12: 2.34, 2.35, 2.36. (2.36 did not require a written submission.)
Mon. Nov. 10: 2.26, 2.27, 3.1.
Wed. Nov. 5: 2.25, 2.32, 2.33.
Mon. Nov. 3: We were presented with a formal induction proof of 1.40.
Wed. Oct. 29: 2.20, 2.22, 2.23.
Mon. Oct. 27: 2.8.
Wed. Oct. 22: Exam!
Mon. Oct. 20: 2.19.
Wed. Oct. 15: 2.1, 2.13, 2.14, 2.16, 2.17.
Mon. Oct. 13: 2.7, 2.10, 2.11, 2.21.
Wed. Oct. 8: 1.53, 1.54, 2.5.
Mon. Oct. 6: 1.45, 1.48, 1.50, 1.51.
Wed. Oct. 1: 1.39, 1.41, 1.42, 1.43
Mon. Sep. 29: 1.38, 1.40.
Wed. Sep. 24: Exam!
Mon. Sep. 22: 1.35, 1.36, 1.37.
Wed. Sep. 17: 1.29, 1.30, 1.31, 1.32, 1.33, 1.34.
Mon. Sep. 15: 1.26, 1.27, 1.28.
Wed. Sep. 10: 1.18, 1.19, 1.20, 1.25.
Mon. Sep. 8: 1.12, 1.13, 1.14, 1.15, 1.16, 1.17.
Wed. Sep. 3: 1.8, 1.9, 1.10, 1.11.
Mon. Sep. 1: Labor Day!
Wed. Aug. 27: 1.1, 1.2, 1.3, 1.6. (We also checked answers on 1.7; you don't have to write that one up.)
Mon. Aug. 25: We talked as a class about the definition of divisibility, and the Example Theorem on pages 8 and 9, but there were no student presentations to be written up.