# 10223 · 2^{31172165} + 1

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Description: | 10223 · 2^{31172165} + 1 |
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Verification status (*): | Proven |

Official Comment (*): | [none] |

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

Proof-code(s): (*): | SB12 : Szabolcs, Srsieve, SoBSieve, ProthSieve, Ksieve, PrimeGrid, LLR, SB |

Decimal Digits: | 9383761 (log_{10} is 9383760.7043653) |

Rank (*): | 9 (digit rank is 1) |

Entrance Rank (*): | 7 |

Currently on list? (*): | short |

Submitted: | 11/6/2016 12:15:13 CDT |

Last modified: | 11/14/2016 12:23:30 CDT |

Database id: | 122473 |

Status Flags: | TrialDiv |

Score (*): | 53.4922 (normalized score 8223.842) |

#### 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 122473 person_id 9 machine Using: Xeon 4c+4c 3.5GHz what prime notes Command: /home/caldwell/client/pfgw/pfgw64 -t -q"10223*2^31172165+1" 2>&1 PFGW Version 3.7.7.64BIT.20130722.x86_Dev [GWNUM 27.11] Primality testing 10223*2^31172165+1 [N-1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Calling Brillhart-Lehmer-Selfridge with factored part 100.00% 10223*2^31172165+1 is prime! (691348.6374s+0.0067s) [Elapsed time: 8.00 days] modified 2020-07-07 17:30:16 created 2016-11-06 12:21:01 id 168113

Query times: 0.0004 seconds to select prime, 0.0009 seconds to seek comments.

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