|
2015-05-16, 04:39
|
#144 | |
Sep 2002
Database er0rr
376210 Posts |
Quote:
Code:
? 92*10^1-1 919 ? 92*10^2-1 9199 
|
|
|
|
|
2015-05-16, 08:00
|
#145 |
Nov 2003
2·1,811 Posts |
Hi Pepi,
Contrats on a nice prime! |
|
|
|
|
2015-05-16, 12:37
|
#146 | |
Dec 2011
After milion nines:)
1,451 Posts |
Quote:
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 |
|
|
|
|
2015-05-16, 12:42
|
#147 | |
|
Dec 2011
After milion nines:)
5AB16 Posts |
Quote:
|
|
|
|
|
|
2015-06-27, 09:30
|
#148 |
|
Dec 2011
After milion nines:)
1,451 Posts |
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 |
|
|
|
|
2015-10-16, 10:58
|
#149 |
|
Dec 2011
After milion nines:)
1,451 Posts |
Small but sweet :)
98*10^301354-1 is prime! (301356 decimal digits, P = 4) Time : 1254.194 sec. |
|
|
|
|
2016-09-19, 19:15
|
#150 |
|
Dec 2011
After milion nines:)
1,451 Posts |
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 
|
|
|
|
|
2016-09-19, 20:43
|
#151 |
|
Sep 2002
Database er0rr
2·32·11·19 Posts |
Congrats
|
|
|
|
|
2016-09-19, 20:57
|
#152 | |
|
Dec 2011
After milion nines:)
1,451 Posts |
Quote:
|
|
|
|
|
|
2018-01-11, 23:14
|
#153 |
"Curtis"
Feb 2005
Riverside, CA
22·1,217 Posts |
I found a Sophie Germain pair:
73378515705 · 2133148 - 1 73378515705 · 2133147 - 1 |
|
|
|
|
2018-01-12, 02:50
|
#154 |
|
Sep 2002
Database er0rr
72628 Posts |
Congrats
|
|
|
|
 |
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| Mersenne Primes p which are in a set of twin primes is finite? | carpetpool | Miscellaneous Math | 3 | 2017-08-10 13:47 |
| Distribution of Mersenne primes before and after couples of primes found | emily | Math | 34 | 2017-07-16 18:44 |
| Conjecture about Mersenne primes and non-primes v2 | Mickey1 | Miscellaneous Math | 1 | 2013-05-30 12:32 |
| A conjecture about Mersenne primes and non-primes | Unregistered | Information & Answers | 0 | 2011-01-31 15:41 |
| possible primes (real primes & poss.prime products) | troels munkner | Miscellaneous Math | 4 | 2006-06-02 08:35 |
