Mini-challenge: First Prime of form 403333...

[Valentin Albillo]

 
Hi again, Thomas:

(11-15-2016 08:50 AM)Thomas Ritschel Wrote:  Well, I found it by myself. But I'm somewhat "preoccupied" since I spend much of my spare time on prime numbers and factorizations.

Great finding and don't worry, you're not alone in that respect. I spend a lot of free time (~20% or so) with all things mathematical and HP-calc related. It's great fun.

Quote:The above factorization becomes quite natural if you look at the so called rep-digit numbers, for example: [...]

Thank you very much for your detailed, crystal-clear explanation, It's been a great read to me and I'm sure many other forum visitors will certainly enjoy it as well, thanks for taking the time to post it.

It's been my pleasure.

Regards.
V.