Question

Are the sets $\mathbb X=\{0,1,4,15,56,...,x_h,...\} $ and $\mathbb Y=\{0,2,12,70,408,...,y_i,...\}$ (excepting the elements $x_0=y_0=0$) disjunct?

score 251 · Answer 1 · 2026-04-19 18:50:12

251

Views

Are the sets $\mathbb X=\{0,1,4,15,56,...,x_h,...\} $ and $\mathbb Y=\{0,2,12,70,408,...,y_i,...\}$ (excepting the elements $x_0=y_0=0$) disjunct?

Published on 19 Apr 2026 - 18:50

score 251 · Answer 2 · 2026-04-17 13:09:43

251

Views

What are the asymptotics of sums like $\frac16+\frac1{10}+\frac1{14}+\frac1{15}+\frac1{21}+\cdots+\frac1{p_{n-1}p_n}$?

Published on 17 Apr 2026 - 13:09

score 115 · Answer 3 · 2026-04-09 06:10:18

115

Views

How can the abc conjecture put constraints on the prime factors of $c$?

Published on 09 Apr 2026 - 6:10

score 84 · Answer 4 · 2026-04-13 07:32:26

84

Views

show g=5 is a generator of p=647 when p is prime

Published on 13 Apr 2026 - 7:32

score 92 · Answer 5 · 2026-04-20 12:56:25

92

Views

Validity of ElGamal Signatures

Published on 20 Apr 2026 - 12:56

score 147 · Answer 6 · 2026-04-14 05:38:37

147

Views

Let a, b, c, and d be integers, and let n be a positive integer:

Published on 14 Apr 2026 - 5:38

score 101 · Answer 7 · 2026-04-23 06:03:00

101

Views

Infiniteness of irregular primes $\equiv3\pmod4$

Published on 23 Apr 2026 - 6:03

score 269 · Answer 8 · 2026-04-14 10:15:31

269

Views

Schwartz–Bruhat Functions on a Non-Archimedian Local Field

Published on 14 Apr 2026 - 10:15

score 38 · Answer 9 · 2026-04-15 15:01:49

38

Views

Something about an "index of consecutiveness"

Published on 15 Apr 2026 - 15:01

score 177 · Answer 10 · 2026-04-23 04:06:46

177

Views

Prove of divergence of reciprocals of primes without infinitude of primes.

Published on 23 Apr 2026 - 4:06

score 200 · Answer 11 · 2026-04-14 02:01:52

200

Views

Solve $a^6 \equiv 12 \pmod{13}$

Published on 14 Apr 2026 - 2:01

score 209 · Answer 12 · 2026-03-25 16:20:41

209

Views

Binomial Coefficient divisibility involving Multiples

Published on 25 Mar 2026 - 16:20

score 60 · Answer 13 · 2026-04-23 03:01:36

60

Views

Prove if $\gcd(a,n) = g$ there are exactly $g$ solutions between $0$ and $n$ to $ax \equiv b \pmod{n}$ if $\gcd(a, n)\mid b$

Published on 23 Apr 2026 - 3:01

score 802 · Answer 14 · 2026-04-12 07:41:45

802

Views

How to prove a polynominal is irreducible over GF(2)?

Published on 12 Apr 2026 - 7:41

score 104 · Answer 15 · 2026-04-15 23:20:59

104

Views

Find all integral ordered pairs $(n,k)$ such that $\left\lfloor\frac{n^2+18n+10}{2}\right\rfloor = k^2$.

Published on 15 Apr 2026 - 23:20

List Question

Are the sets $\mathbb X=\{0,1,4,15,56,...,x_h,...\} $ and $\mathbb Y=\{0,2,12,70,408,...,y_i,...\}$ (excepting the elements $x_0=y_0=0$) disjunct?

What are the asymptotics of sums like $\frac16+\frac1{10}+\frac1{14}+\frac1{15}+\frac1{21}+\cdots+\frac1{p_{n-1}p_n}$?

How can the abc conjecture put constraints on the prime factors of $c$?

show g=5 is a generator of p=647 when p is prime

Validity of ElGamal Signatures

Let a, b, c, and d be integers, and let n be a positive integer:

Infiniteness of irregular primes $\equiv3\pmod4$

Schwartz–Bruhat Functions on a Non-Archimedian Local Field

Something about an "index of consecutiveness"

Prove of divergence of reciprocals of primes without infinitude of primes.

Solve $a^6 \equiv 12 \pmod{13}$

Binomial Coefficient divisibility involving Multiples

Prove if $\gcd(a,n) = g$ there are exactly $g$ solutions between $0$ and $n$ to $ax \equiv b \pmod{n}$ if $\gcd(a, n)\mid b$

How to prove a polynominal is irreducible over GF(2)?

Find all integral ordered pairs $(n,k)$ such that $\left\lfloor\frac{n^2+18n+10}{2}\right\rfloor = k^2$.

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