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 Happy5214 2021-02-11 06:55

[QUOTE=Trilo;571293]55*2^2048305-1 is prime! (627441 digits)[/QUOTE]
That range was already tested by Kosmaj. Luckily I found it on [URL="https://primes.utm.edu/primes/page.php?id=131830"]PrimePages[/URL]. It's 55*2^20[B]84[/B]305-1.

 kuratkull 2021-03-06 09:13

[CODE]195*2^4685711-1 is prime! (1410542 decimal digits)[/CODE]

[url]https://primes.utm.edu/primes/page.php?id=132121[/url]

k<300 highest Nash weight k delivers again.

 pepi37 2021-03-06 19:32

[QUOTE=kuratkull;573089][CODE]195*2^4685711-1 is prime! (1410542 decimal digits)[/CODE][URL]https://primes.utm.edu/primes/page.php?id=132121[/URL]

k<300 highest Nash weight k delivers again.[/QUOTE]

Congratulations!

 gd_barnes 2021-03-18 08:38

285*2^1801236-1 is prime

 VBCurtis 2021-04-05 17:41

Been a while:
99*2^2658496-1 is prime! (800290 digits)

 gd_barnes 2021-04-12 05:34

From the 3rd megabit drive:

257*2^2108554-1 is prime :-)

 gd_barnes 2021-04-26 16:40

A pair from the 3rd megabit drive:

235*2^2163273-1
219*2^2178673-1

:smile:

 kuratkull 2021-04-29 20:22

[CODE]197*2^4765318-1 is prime! (1434506 decimal digits)[/CODE]

[url]https://primes.utm.edu/primes/page.php?id=132236[/url]

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