Hans Parshall
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 Nov17 awarded Famous Question Nov15 awarded Yearling Sep30 awarded Explainer Aug29 awarded Nice Answer Jul2 awarded Curious Mar24 awarded Nice Answer Nov21 comment Natural density of primes congruent to m modulo N and to r modulo S That should only be true if you expect that being relatively prime to $N$ and relatively prime to $S$ are essentially independent events. What condition on $N$ and $S$ do you need to make this a reasonable expectation? Nov15 awarded Yearling Oct4 accepted Rowspan of 0-1 Matrix Oct4 comment Rowspan of 0-1 Matrix This seems to settle that the answer is no, thanks. Oct3 comment Rowspan of 0-1 Matrix Sure, good point. I wasn't considering the trivial case. Oct3 asked Rowspan of 0-1 Matrix Sep26 comment Is $\frac{a+b}{c+d}<\frac{a}{c}+\frac{b}{d}?$, for $a,b,c,d>0$? Or a = b = c = d = 1... Sep12 awarded Favorite Question Jul8 awarded Nice Answer Feb1 awarded Notable Question Nov15 awarded Yearling Oct17 accepted Bounding the Gamma Function Oct17 answered Bounding the Gamma Function Oct16 revised How to prove gcd of consecutive Fibonacci numbers is 1? edited body