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Forum: And now for something completely different 2021-01-21, 07:36
Replies: 3
Views: 1,130
Posted By bur
I checked other primes of this person and he/she...

I checked other primes of this person and he/she often uses primes or primorials as k. So I assumed it was about having k's with many or few small factors.

But you're right, maybe I'm giving it...
Forum: And now for something completely different 2021-01-20, 12:51
Replies: 3
Views: 1,130
Posted By bur
Correction: Should read "high weight". And...

Correction: Should read "high weight".

And now that I thought about it some more, k = 1153#-1 is a large k with few small factors but more elegant than using a 486 digit prime. Maybe that's the...
Forum: And now for something completely different 2021-01-20, 09:43
Replies: 3
Views: 1,130
Posted By bur
2^1571237 · (1153# - 1) + 1 - why was it constructed like that?

2^1571237 * (1153# - 1) + 1 is a new prime submitted to PrimePages (https://primes.utm.edu/primes/page.php?id=131592).

It is almost a PrimoProth...
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