Question

Prime divisor in positive integers sequences

score 266 · Answer 1 · 2026-03-25 22:23:52

266

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Prime divisor in positive integers sequences

Published on 25 Mar 2026 - 22:23

score 219 · Answer 2 · 2026-03-31 21:36:44

219

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Finding the n-th prime number

Published on 31 Mar 2026 - 21:36

score 284 · Answer 3 · 2026-03-25 23:35:45

284

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Compositeness tests for generalized repunit numbers

Published on 25 Mar 2026 - 23:35

score 86 · Answer 4 · 2018-10-13 05:45:35

86

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Prime numbers that are sums of Prime numbers themselves

Published on 13 Oct 2018 - 5:45

score 52 · Answer 5 · 2018-10-14 06:48:07

52

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Prove (in)equivalency: (1) $\exists$ non-zero $z\in\mathbb{Z}/n\mathbb{Z}$ such that $z^{t}=0$ for some $t$, (2) $\exists$ prime $p$ such that $p^2|n$

Published on 14 Oct 2018 - 6:48

score 72 · Answer 6 · 2018-10-14 12:05:13

72

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$\forall p, b, c \in \mathbb{Z}^+, (\text{Prime}(p) \wedge p^2 + b^2 = c^2) \Rightarrow p^2 = c+b$

Published on 14 Oct 2018 - 12:05

score 61 · Answer 7 · 2026-03-25 06:11:17

61

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Can you determine small primes from larger primes?

Published on 25 Mar 2026 - 6:11

score 119 · Answer 8 · 2026-03-25 03:03:52

119

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"Although it is necessary for $n$ to be prime in order for $R_n$ to be prime" as logic statement

Published on 25 Mar 2026 - 3:03

score 55 · Answer 9 · 2026-03-25 01:18:23

55

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Can the set of odd primes be decomposed into $\Bbb{P} = A + B, $ for some $A,B \subset \Bbb{Z}$?

Published on 25 Mar 2026 - 1:18

score 387 · Answer 10 · 2026-03-26 01:10:48

387

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Compositeness tests for numbers of the form $k \cdot b^n \pm c$

Published on 26 Mar 2026 - 1:10

score 198 · Answer 11 · 2026-02-22 23:08:47

198

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Are Mersenne numbers with Mersenne prime exponent always prime?

Published on 22 Feb 2026 - 23:08

score 395 · Answer 12 · 2026-03-25 11:20:32

395

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Prove that $\forall x\in\mathbb{N}\ \text{ there always exists a prime }p\equiv1 \pmod 6 \text{ s.t. }p|(2x)^2+3;$

Published on 25 Mar 2026 - 11:20

score 153 · Answer 13 · 2026-03-25 22:30:07

153

Views

How does this method work to find prime numbers?

Published on 25 Mar 2026 - 22:30

score 495 · Answer 14 · 2026-03-28 06:59:10

495

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Prime counting function $\phi(x)-c(x)$ vs. $x/\ln(x)$

Published on 28 Mar 2026 - 6:59

score 56 · Answer 15 · 2026-03-25 03:07:46

56

Views

Relationship between primes, irreducibles and UFDs and vacuously true

Published on 25 Mar 2026 - 3:07

List Question

Prime divisor in positive integers sequences

Finding the n-th prime number

Compositeness tests for generalized repunit numbers

Prime numbers that are sums of Prime numbers themselves

Prove (in)equivalency: (1) $\exists$ non-zero $z\in\mathbb{Z}/n\mathbb{Z}$ such that $z^{t}=0$ for some $t$, (2) $\exists$ prime $p$ such that $p^2|n$

$\forall p, b, c \in \mathbb{Z}^+, (\text{Prime}(p) \wedge p^2 + b^2 = c^2) \Rightarrow p^2 = c+b$

Can you determine small primes from larger primes?

"Although it is necessary for $n$ to be prime in order for $R_n$ to be prime" as logic statement

Can the set of odd primes be decomposed into $\Bbb{P} = A + B, $ for some $A,B \subset \Bbb{Z}$?

Compositeness tests for numbers of the form $k \cdot b^n \pm c$

Are Mersenne numbers with Mersenne prime exponent always prime?

Prove that $\forall x\in\mathbb{N}\ \text{ there always exists a prime }p\equiv1 \pmod 6 \text{ s.t. }p|(2x)^2+3;$

How does this method work to find prime numbers?

Prime counting function $\phi(x)-c(x)$ vs. $x/\ln(x)$

Relationship between primes, irreducibles and UFDs and vacuously true

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