15015 · 2270927 - 1
At this site we maintain a list of the 5000 Largest Known Primes which is updated hourly. This list is the most important PrimePages database: a collection of research, records and results all about prime numbers. This page summarizes our information about one of these primes.
This prime's information:
| Description: | 15015 · 2270927 - 1 |
|---|---|
| Verification status (*): | Proven |
| Official Comment (*): | [none] |
| Proof-code(s): (*): | L94 : Abraham, LLR |
| Decimal Digits: | 81562 (log10 is 81561.3301606) |
| Rank (*): | 55819 (digit rank is 1) |
| Entrance Rank (*): | 3286 |
| Currently on list? (*): | no |
| Submitted: | 3/29/2006 00:11:22 UTC |
| Last modified: | 3/11/2023 15:54:10 UTC |
| Removed (*): | 2/28/2007 20:53:41 UTC |
| Database id: | 77401 |
| Status Flags: | none |
| Score (*): | 38.9261 (normalized score 0.0014) |
Verification data:
The Top 5000 Primes is a list for proven primes only. In order to maintain the integrity of this list, we seek to verify the primality of all submissions. We are currently unable to check all proofs (ECPP, KP, ...), but we will at least trial divide and PRP check every entry before it is included in the list.
field value prime_id 77401 person_id 9 machine Linux P4 2.8GHz what trial_divided notes Command: /home/caldwell/client/TrialDiv/TrialDiv -q 15015 2 270927 -1 2>&1 [Elapsed time: 64.528 seconds] modified 2020-07-07 22:30:42 created 2006-03-29 00:51:50 id 83799
field value prime_id 77401 person_id 9 machine WinXP P4 2.2GHz what prime notes Command: pfgw.exe -n -f -tp -q"15015*2^270927-1" 2>&1 PFGW Version 1.2.0 for Windows [FFT v23.8] Primality testing 15015*2^270927-1 [N+1, Brillhart-Lehmer-Selfridge] trial factoring to 27416146 Running N+1 test using discriminant 29, base 1+sqrt(29) Calling Brillhart-Lehmer-Selfridge with factored part 100.00% 15015*2^270927-1 is prime! (2469.3540s+0.0024s) [Elapsed time: 2470 seconds] modified 2020-07-07 22:30:42 created 2006-03-29 02:27:02 id 83809
Query times: 0.0009 seconds to select prime, 0.0055 seconds to seek comments.
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