## Conjecture on 3-Carmichael Numbers of the Form (4h+3)(4j+1)(4k+3)

**Authors:** Marius Coman

In this paper I conjecture that for any 3-Carmichael number (absolute Fermat pseudoprime with three prime factors, see the sequence A087788 in OEIS) of the form (4*h + 3)*(4*j + 1)*(4*k + 3) is true that (k – h) and j must share a common factor (sometimes (k – h) is a multiple of j). The conjecture is probably true even for the larger set of 3-Poulet numbers (Fermat pseudoprimes to base 2 with three prime factors, see the sequence 215672 in OEIS).

**Comments:** 2 Pages.

**Download:** **PDF**

### Submission history

[v1] 2017-01-24 02:35:20

**Unique-IP document downloads:** 7 times

**Add your own feedback and questions here:**

*You are equally welcome to be positive or negative about any paper but please be polite. If you are being critical you must mention at least one specific error, otherwise your comment will be deleted as unhelpful.*

*
*