D. Savitt
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 10 How do you prove that a prime is the sum of two squares iff it is congruent to 1 mod 4? 8 $n \mid (a^{n}-b^{n}) \ \Longrightarrow$ $n \mid \frac{a^{n}-b^{n}}{a-b}$ 7 One polynomial problem 6 Smallest possible value on Fibonacci Function 5 Sufficient conditions for ultracharactericity

Reputation (551)

 +40 How do you prove that a prime is the sum of two squares iff it is congruent to 1 mod 4? +30 $n \mid (a^{n}-b^{n}) \ \Longrightarrow$ $n \mid \frac{a^{n}-b^{n}}{a-b}$ +60 Smallest possible value on Fibonacci Function +10 One polynomial problem

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 25 number-theory × 4 6 contest-math 10 prime-numbers 5 group-theory 9 polynomials × 2 1 partitions 8 modular-arithmetic

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 MathOverflow 1,858 rep 1923 Mathematics 551 rep 27 TeX - LaTeX 131 rep 3 Home Improvement 106 rep 3 Stack Overflow 101 rep 2