# (30^{157950} + 1)^{2} - 2

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Description: | (30^{157950} + 1)^{2} - 2 |
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Verification status (*): | Proven |

Official Comment (*): | [none] |

Unofficial Comments: | This prime has 2 user comments below. |

Proof-code(s): (*): | p392 : Batalov, Cksieve, OpenPFGW |

Decimal Digits: | 466623 (log_{10} is 466622.604365942) |

Rank (*): | 4875 (digit rank is 1) |

Entrance Rank (*): | 1771 |

Currently on list? (*): | yes |

Submitted: | 5/22/2016 19:32:41 CDT |

Last modified: | 5/23/2016 07:03:19 CDT |

Database id: | 121686 |

Status Flags: | TrialDiv |

Score (*): | 44.2928 (normalized score 1.02) |

#### 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 121686 person_id 9 machine Using: Xeon (pool) 4c+4c 3.5GHz what prime notes Command: /home/caldwell/clientpool/1/pfgw64 -tc -q"(30^157950+1)^2-2" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing (30^157950+1)^2-2 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 7 Running N+1 test using discriminant 13, base 1+sqrt(13) Calling N+1 BLS with factored part 50.00% and helper 0.00% (150.00% proof) (30^157950+1)^2-2 is prime! (18999.3140s+0.0135s) [Elapsed time: 5.28 hours] modified 2020-07-07 17:30:16 created 2016-05-22 19:33:01 id 167324

Query times: 0.0002 seconds to select prime, 0.0002 seconds to seek comments.

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