What is the largest number of distinct positive integers you can have such that most of their pairwise differences are prime?

For example, among (2, 4, 6, 11, 13, 15) there are 15 pairwise differences, of which 10 are prime.

Irrationals to integers and back again |
Posted on 2024-03-17 by Steven Lord (No Solution Yet, 0 Comments)

Three Concatenations | Rating: 5.00
Posted on 2024-03-15 by K Sengupta (Solution Posted, 4 Comments)

An even sparser sudoku puzzle |
Posted on 2024-03-11 by Steven Lord (No Solution Yet, 2 Comments)

Rich Uncle |
Posted on 2024-03-08 by K Sengupta (No Solution Yet, 1 Comments)

Partition |
Posted on 2024-03-07 by K Sengupta (No Solution Yet, 0 Comments)

A factorial pattern |
Posted on 2024-03-03 by Jer (No Solution Yet, 2 Comments)

Four Squares #3 |
Posted on 2024-03-01 by K Sengupta (No Solution Yet, 0 Comments)

No-zero Squares | Rating: 5.00
Posted on 2024-02-28 by K Sengupta (Solution Posted, 4 Comments)