Unformatted text preview: 6. What is the rightmost digit (digit in the units place) of 32 631 ? Show your work. 7. Prove that for any prime p > 3, either p ≡ 1 (mod 6) or p ≡ 5 (mod 6). 8. Section 3.5, exercise 32 9. Find an inverse of 2 modulo 17. 10. Optional: How many zeroes are there at the end of 100! ? Please write about how many hours it took you to complete this assignment near where you write your name on the ﬁrst page....
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This note was uploaded on 10/12/2009 for the course CSE 321 taught by Professor Staff during the Winter '08 term at University of Washington.
 Winter '08
 Staff

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