Enter an *odd* integer
between 3 and 341550071728319 to be tested for primality, then click on the button.

A prime which runs through the whole process, yet having a decent number of elements in its
`a`

set and also a range `r`

of 3 integers is

Invalid input. Enter an odd integer between 3 and 341550071728319 to be tested for primality, then