# V(68213)/7290202116115634431

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: | V(68213)/7290202116115634431 |
---|---|

Verification status (*): | PRP |

Official Comment (*): | Lucas cofactor, ECPP |

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

Proof-code(s): (*): | c77 : Batalov, Primo |

Decimal Digits: | 14237 (log_{10} is 14236.811164803) |

Rank (*): | 72982 (digit rank is 1) |

Entrance Rank (*): | 69120 |

Currently on list? (*): | short |

Submitted: | 8/20/2018 09:34:50 CDT |

Last modified: | 8/20/2018 09:50:20 CDT |

Database id: | 125562 |

Status Flags: | Verify, TrialDiv |

Score (*): | 33.5344 (normalized score 0) |

#### 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.

- Elliptic Curve Primality Proof (archivable *)
- Prime on list:
no, rank95

Subcategory: "ECPP"

(archival tag id 219872, tag last modified 2021-09-18 09:37:41)- Lucas cofactor (archivable *)
- Prime on list:
yes, rank4

Subcategory: "Lucas cofactor"

(archival tag id 219873, tag last modified 2020-09-11 12:20:26)

#### 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 125562 person_id 9 machine Using: Xeon 4c+4c 3.5GHz what prp notes Command: /home/caldwell/client/pfgw/pfgw64 -tc -q"V(68213)/7290202116115634431" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing V(68213)/7290202116115634431 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 2 Running N-1 test using base 3 Running N+1 test using discriminant 13, base 1+sqrt(13) Calling N-1 BLS with factored part 0.12% and helper 0.02% (0.37% proof) V(68213)/7290202116115634431 is Fermat and Lucas PRP! (18.6784s+0.0933s) [Elapsed time: 19.00 seconds] modified 2020-07-07 17:30:14 created 2018-08-20 09:41:01 id 171236

Query times: 0.0004 seconds to select prime, 0.0011 seconds to seek comments.

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