Unformatted text preview: 2 . 5 (7 points) . Express-15 47 as a continued fraction. 6 (8 points) . Let p be a prime number dividing x 2 + 1, where x is an even integer. Show that p ≡ 1 mod 4 and that p is prime to x . Deduce that there are an inﬁnite number of primes congruent to 1 mod 4....
View Full Document
- Spring '08
- Number Theory, Natural number, Prime number, K. A. Ribet, Professor K. A. Ribet