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Old 2015-05-16, 04:39   #144
paulunderwood
 
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Quote:
Originally Posted by pepi37 View Post
Yes, 544905 nines :)
Code:
? 92*10^1-1
919
? 92*10^2-1
9199
So there is actual one more: 544906 nines
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Old 2015-05-16, 08:00   #145
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Hi Pepi,

Contrats on a nice prime!
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Old 2015-05-16, 12:37   #146
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After milion nines:)

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Quote:
Originally Posted by paulunderwood View Post
Code:
? 92*10^1-1
919
? 92*10^2-1
9199
So there is actual one more: 544906 nines

If you count first nine, then it is 544906 :)
But if you say 92....999 then it has 544905 :)

Last fiddled with by pepi37 on 2015-05-16 at 13:35 Reason: add more info
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Old 2015-05-16, 12:42   #147
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Quote:
Originally Posted by Kosmaj View Post
Hi Pepi,

Contrats on a nice prime!
Thanks :)))
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Old 2015-06-27, 09:30   #148
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Primegrid found huge prime!
http://primes.utm.edu/primes/page.php?id=120038

3 *2^11895718-1 (3580969 digits)

Last fiddled with by pepi37 on 2015-06-27 at 09:30
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Old 2015-10-16, 10:58   #149
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Small but sweet :)

98*10^301354-1 is prime! (301356 decimal digits, P = 4) Time : 1254.194 sec.
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Old 2016-09-19, 19:15   #150
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MEGA NEAR REPDIGIT PRIME !

After 2.5 years of searching

http://primes.utm.edu/primes/page.php?id=122228

9*10^1009567-1 is prime!

899999999999999...................9

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Old 2016-09-19, 20:43   #151
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Congrats
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Old 2016-09-19, 20:57   #152
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Quote:
Originally Posted by paulunderwood View Post
Congrats
Thanks!
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Old 2018-01-11, 23:14   #153
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I found a Sophie Germain pair:
73378515705 · 2133148 - 1
73378515705 · 2133147 - 1
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Old 2018-01-12, 02:50   #154
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Congrats
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