User Timothy Foo

11 votes

Every prime number > 19 divides one plus the product of two smaller primes?

answered Dec 30, 2011 at 8:11

9 votes

Monic polynomial with integer coefficients with roots on unit circle, not roots of unity?

answered Nov 28, 2012 at 10:01

7 votes

Small residue classes with small reciprocal

answered Nov 16, 2011 at 9:30

6 votes

Values of Dirichlet L-funcions at natural numbers

answered Jan 4, 2012 at 0:56

5 votes

Using Vinogradov's theorem for finding prime solutions to a linear equation (an exercise from Vaughan's book)

answered Jan 20, 2012 at 7:10

4 votes

Irreducibility of polynomials related to quadratic residues

answered Oct 17, 2011 at 8:21

4 votes

Mertens-like sum in arithmetic progressions

answered Nov 14, 2011 at 6:24

3 votes

Infinitely many primes of the form $2^n+c$ as $n$ varies?

answered Oct 20, 2011 at 5:22

3 votes

Primes and Ackermann's function

answered Nov 9, 2011 at 3:05

3 votes

Examples of statements that provably can't be proved using a promising looking method

answered Nov 28, 2012 at 10:07

3 votes

Accepted

Can the relative count of the primefactors in $\small \lim_{w\to\infty}\prod_{k=1}^w (p_k-1) $ be determined analytically?

answered Dec 20, 2011 at 2:35

2 votes

Generalizing Euclid's proof of the infinity of primes

answered Dec 27, 2011 at 9:11

2 votes

Accepted

Primes in generalized fibonacci sequences

answered Nov 28, 2011 at 3:21

2 votes

Men in a bar - stoch. processes

answered Jan 18, 2012 at 8:00

1 vote

Proof of infinitude of primes whose reversal in base 10 is also prime

answered Dec 9, 2011 at 14:00

1 vote

Higher-dimensional Catalan numbers?

answered Nov 22, 2011 at 0:41

1 vote

Irreducibility of polynomials related to quadratic residues

answered Jan 5, 2012 at 12:01

0 votes

A question regarding simultaneous congruences

answered Apr 11, 2012 at 3:35

0 votes

Proof of infinitude of primes whose reversal in base 10 is also prime

answered Dec 9, 2011 at 11:24

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19 Answers

Every prime number > 19 divides one plus the product of two smaller primes?

Monic polynomial with integer coefficients with roots on unit circle, not roots of unity?

Small residue classes with small reciprocal

Values of Dirichlet L-funcions at natural numbers

Using Vinogradov's theorem for finding prime solutions to a linear equation (an exercise from Vaughan's book)

Irreducibility of polynomials related to quadratic residues

Mertens-like sum in arithmetic progressions

Infinitely many primes of the form $2^n+c$ as $n$ varies?

Primes and Ackermann's function

Examples of statements that provably can't be proved using a promising looking method

Can the relative count of the primefactors in $\small \lim_{w\to\infty}\prod_{k=1}^w (p_k-1) $ be determined analytically?

Generalizing Euclid's proof of the infinity of primes

Primes in generalized fibonacci sequences

Men in a bar - stoch. processes

Proof of infinitude of primes whose reversal in base 10 is also prime

Higher-dimensional Catalan numbers?

Irreducibility of polynomials related to quadratic residues

A question regarding simultaneous congruences

Proof of infinitude of primes whose reversal in base 10 is also prime