Post Lots and Lots of Top-5000 Primes Here

[pepi37]

Originally Posted by Batalov

Just for kicks and giggles I tested a little bit of k=1965 (which happens to be my year) and found unlikely quickly
1965 · 2^3322579 - 1 (1,000,200 digits) and
1965 · 2^3325639 - 1 (1,001,121 digits).
Just a curiosity.

Since I follow you work, you never search for "uninteresting"so I was sure 100% 1965 is year of your birth :) Lucky prime year :)

[Thomas11]

225*2^2055433-1 (618750 digits)

[Thomas11]

From the 2nd megabit drive:

137*2^2244398-1 (675634 digits)
185*2^2264906-1 (681807 digits)

[paulunderwood]

Vincent just found 9959 * 2^4308760 - 1 to be prime

[paulunderwood]

9473*2^4543680-1 (1367788 digits) found Vincent Diepeveen