# Phi(3, - 192098^{131072})

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.

Description: | Phi(3, - 192098^{131072}) |
---|---|

Verification status (*): | Proven |

Official Comment (*): | Generalized unique |

Unofficial Comments: | This prime has 1 user comment below. |

Proof-code(s): (*): | p379 : Batalov, CycloSv, Cyclo, EMsieve, PIES, OpenPFGW |

Decimal Digits: | 1385044 (log_{10} is 1385043.812232) |

Rank (*): | 225 (digit rank is 1) |

Entrance Rank (*): | 52 |

Currently on list? (*): | short |

Submitted: | 2/8/2015 12:11:48 CDT |

Last modified: | 2/9/2015 01:50:26 CDT |

Database id: | 119266 |

Status Flags: | TrialDiv |

Score (*): | 47.6322 (normalized score 29.4349) |

#### Archival tags:

There are certain forms classed as archivable: these prime may (at times) remain on this list even if they do not make the Top 5000 proper. Such primes are tracked with archival tags.

- Generalized Unique (archivable *)
- Prime on list:
yes, rank12

Subcategory: "Generalized Unique"

(archival tag id 224088, tag last modified 2020-08-04 13:50:04)

#### User comments about this prime (disclaimer):

User comments are allowed to convey mathematical information about this number, how it was proven prime.... See our guidelines and restrictions.

#### 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 119266 person_id 9 machine Using: Xeon 4c+4c 3.5GHz what prime notes Command: /home/caldwell/client/pfgw/pfgw64 -t -q"Phi(3,-192098^131072)" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing Phi(3,-192098^131072) [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 7 Calling Brillhart-Lehmer-Selfridge with factored part 47.15% Phi(3,-192098^131072) is prime! (47535.0204s+0.3372s) [Elapsed time: 13.20 hours] modified 2020-07-07 17:30:17 created 2015-02-08 12:21:01 id 164872

Query times: 0.0016 seconds to select prime, 0.0007 seconds to seek comments.

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