List questions from primorial

Published on 24 Apr 2019 - 4:58

114

Views

Frequency of integers $x, x+2$ such that gcd$\left(x(x+2),p\right)=1$

Published on 01 Jun 2019 - 21:55

79

Views

What is the maximum number of primes between $p_n$ and $p_n\#$ you can multiply together without the product exceeding $p_n\#$?

Published on 07 Jun 2019 - 18:56

53

Views

Reasoning about $x(x+2)$ relatively prime to $\dfrac{p\#}{w}$

Published on 20 Jun 2019 - 8:29

258

Views

A conjecture about primorials

Published on 09 Jul 2019 - 17:55

167

Views

Can we always find a prime of the form $\ p$#$+q\ $?

Published on 27 Jul 2019 - 22:52

36

Views

Another question about numbers of the form $p_i\#+p_{n+1}$

Published on 14 Aug 2019 - 16:05

224

Views

Reduced residue systems and prime k-tuple bijection

Published on 18 Mar 2014 - 4:13

74

Views

Infinitude of composite numbers of the form $n\# \pm 1$

Published on 18 Mar 2014 - 15:57

260

Views

How many regulars do the primorials 223092870 and 6469693230 have?

Published on 21 May 2014 - 21:34

461

Views

Is my conjecture true? : Every primorial is a superior highly regular number, and every superior highly regular number is a primorial.

Published on 22 May 2014 - 20:01

141

Views

Products of primes up to the $n$th prime

Published on 05 Oct 2014 - 4:15

859

Views

What is the product of $p_i-1 \over p_i$

Published on 01 Jan 2015 - 6:41

149

Views

The primorial version of $e^x$

Published on 17 Nov 2019 - 21:58

27

Views

Primes of the form $\frac{p_m\#}{2} \pm 2^j$

Published on 22 Nov 2019 - 18:14

List Question

Showing that for $x \ge 7$, $x\# \ge x^2+x$

Frequency of integers $x, x+2$ such that gcd$\left(x(x+2),p\right)=1$

What is the maximum number of primes between $p_n$ and $p_n\#$ you can multiply together without the product exceeding $p_n\#$?

Reasoning about $x(x+2)$ relatively prime to $\dfrac{p\#}{w}$

A conjecture about primorials

Can we always find a prime of the form $\ p$#$+q\ $?

Another question about numbers of the form $p_i\#+p_{n+1}$

Reduced residue systems and prime k-tuple bijection

Infinitude of composite numbers of the form $n\# \pm 1$

How many regulars do the primorials 223092870 and 6469693230 have?

Is my conjecture true? : Every primorial is a superior highly regular number, and every superior highly regular number is a primorial.

Products of primes up to the $n$th prime

What is the product of $p_i-1 \over p_i$

The primorial version of $e^x$

Primes of the form $\frac{p_m\#}{2} \pm 2^j$

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