# 3^{2120580} - 3^{623816} - 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.

Description: | 3^{2120580} - 3^{623816} - 1 |
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Verification status (*): | PRP |

Official Comment (*): | [none] |

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

Proof-code(s): (*): | CH9 : Zhou, OpenPFGW, CHG |

Decimal Digits: | 1011774 (log_{10} is 1011773.7903334) |

Rank (*): | 795 (digit rank is 1) |

Entrance Rank (*): | 414 |

Currently on list? (*): | short |

Submitted: | 5/12/2019 08:20:20 CDT |

Last modified: | 5/13/2019 12:50:22 CDT |

Database id: | 126454 |

Status Flags: | Verify, TrialDiv |

Score (*): | 46.6689 (normalized score 9.587) |

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

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#### 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 126454 person_id 9 machine Using: Xeon 4c+4c 3.5GHz what prp notes Command: /home/caldwell/client/pfgw/pfgw64 -tp -q"3^2120580-3^623816-1" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing 3^2120580-3^623816-1 [N+1, Brillhart-Lehmer-Selfridge] Running N+1 test using discriminant 41, base 1+sqrt(41) Calling Brillhart-Lehmer-Selfridge with factored part 29.42% 3^2120580-3^623816-1 is Lucas PRP! (101371.4113s+0.0429s) [Elapsed time: 28.16 hours] modified 2020-07-07 17:30:13 created 2019-05-12 08:21:01 id 172139

Query times: 0.0005 seconds to select prime, 0.0012 seconds to seek comments.

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