Kaish

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175 Questions

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10	How do we know all numbers alternate between odd and even numbers?
7	Find what values of $n$ give $\varphi(n) = 10$
6	Is there a quick way to solve $3^8 \equiv x \mod 17$?
5	Can we get just $3$ from $\pi$? [closed]
5	How is $x^2 + x + 1$ reducible in $\mathbb{Z}_3[x]$?

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1,809 Reputation

+5	If $17 \mid \frac{n^m - 1}{n-1}$ find the values of $n$ where $m$ is even but not divisible by $4$
+15	Find what values of $n$ give $\varphi(n) = 10$
+10	Identify all $a \mod 35$ such that $35$ is a pseudoprime to base $a$
+5	Prove that if $n$ is sufficently large, there is a prime gap $G(p_k, p_{k+1})$ with $p_k \leq n$ and $p_{k+1} - p_k > \frac{1}{2}\ln(n)$

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13 Answers

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5	How to find $x$ of this equation?
5	What does the notation $f\colon A\to B$ mean?
2	Let $G$ be a group in which $a^2=e$ for all elements of $a$ of $G$. Show that $G$ is Abelian.
1	Formulas for calculating pythagorean triples
1	Is it ever proper to say that the limit of a function equals infinity?

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75 Tags

5 homework × 43	2 abelian-groups × 5
5 algebra-precalculus × 16	1 analytic-geometry × 14
5 functions	1 proof-writing × 13
5 notation	1 elementary-number-theory × 11
5 elementary-set-theory	1 markov-chains × 4

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$Mathematics Stack Exchange$	Mathematics	1,809 rep	119
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$TeX - LaTeX Stack Exchange$	TeX - LaTeX	152 rep	3
	Stack Overflow	106 rep	1

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122 Votes Cast

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2	down		110	answer		14		9

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