List questions from prime-numbers

Published on 25 Jun 2014 - 19:00

69

Views

How to combine three integers from three sequences such that all the numbers in the triplet be coprime.

Published on 25 Jun 2014 - 20:55

590

Views

Improving Bertrand's postulate

Published on 27 Jun 2014 - 10:04

1.4k

Views

Prime Triangle:: How to find the position(row and column) of prime number in a triangular arrangement

Published on 28 Jun 2014 - 4:46

77

Views

AP term multiple of prime number

Published on 07 Apr 2026 - 8:04

370

Views

Can a Mersenne number be a power (with exponent > 1) of a prime?

Published on 28 Jun 2014 - 20:28

661

Views

Questions about central polygonal numbers $1, 2, 4, 7, 11, 16, 22, 29, 37, 46,\cdots$

Published on 29 Jun 2014 - 7:31

181

Views

Interesting behavior of $\frac{n}{v_2(n!)+1}$.

Published on 29 Jun 2014 - 11:00

2.2k

Views

$\text{lcm}(1,2,3,\ldots,n)\geq 2^n$ for $n\geq 7$

Published on 21 Mar 2026 - 20:40

137

Views

Birthday problem & primes

Published on 29 Jun 2014 - 16:05

3.9k

Views

If $n = 51! +1$, then find number of primes among $n+1,n+2,\ldots, n+50$

Published on 27 Mar 2026 - 21:20

1.2k

Views

Induction hypothesis misunderstanding and the fundamental theorem of arithmetic.

Published on 08 Apr 2026 - 18:04

278

Views

Resources about infinite primes of form $n^2 + 1$

Published on 01 Jul 2014 - 3:43

71

Views

Question regardles primes and the fundamental theorem of arithmetic

Published on 27 Mar 2026 - 18:39

13.6k

Views

Is $n! + 1$ often a prime?

Published on 27 Mar 2026 - 22:51

List Question

Expressing $\Bbb N$ as an infinite union of disjoint infinite subsets.

How to combine three integers from three sequences such that all the numbers in the triplet be coprime.

Improving Bertrand's postulate

Prime Triangle:: How to find the position(row and column) of prime number in a triangular arrangement

AP term multiple of prime number

Can a Mersenne number be a power (with exponent > 1) of a prime?

Questions about central polygonal numbers $1, 2, 4, 7, 11, 16, 22, 29, 37, 46,\cdots$

Interesting behavior of $\frac{n}{v_2(n!)+1}$.

$\text{lcm}(1,2,3,\ldots,n)\geq 2^n$ for $n\geq 7$

Birthday problem & primes

If $n = 51! +1$, then find number of primes among $n+1,n+2,\ldots, n+50$

Induction hypothesis misunderstanding and the fundamental theorem of arithmetic.

Resources about infinite primes of form $n^2 + 1$

Question regardles primes and the fundamental theorem of arithmetic

Is $n! + 1$ often a prime?

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