- **Riesel Prime Search**
(*https://www.mersenneforum.org/forumdisplay.php?f=59*)

- - **k=13236795**
(*https://www.mersenneforum.org/showthread.php?t=6529*)

2 more primes (too small for prime pages)
[CODE] 13236795*2^1066721-1 13236795*2^1067293-1 [/CODE] |

2 more primes found: (too small for primepages)
[code] 13236795*2^1176214-1 is prime! (354083 decimal digits) 13236795*2^1196191-1 is prime! (360097 decimal digits) [/code] |

1 Attachment(s)
Range 1.2M -> 1.3M complete, no new primes found
Attaching the result files for the range 1.0M -> 1.3M |

Sieving in progress, till 230T, ETA 20/3
Will then continue llr testing in the range 1.3M -> 1.4M |

Sieving in Progress to 250T, eta 03/07
(ftm, a factor is found every +/- 360 sec) |

Yesterday, my mac crashed and had to restart sieving from a copy of my input file as of February,
Currently at 216T, eta for reaching 250T is October :no: Lesson learned: take a more frequent backup Apologies to the community Kind regards, Valerie |

[QUOTE=ValerieVonck;489142]Yesterday, my mac crashed and had to restart sieving from a copy of my input file as of February,
Currently at 216T, eta for reaching 250T is October :no: Lesson learned: take a more frequent backup Apologies to the community Kind regards, Valerie[/QUOTE] Why you make sieving ? We can collect you sieve , send to YOYO and it will be over in ten days at depth you will never reach by yourself. |

[QUOTE=pepi37;489157]Why you make sieving ? We can collect you sieve , send to YOYO and it will be over in ten days at depth you will never reach by yourself.[/QUOTE]
Dear, This number I am crunching for a long time on my own... Thank you for your recommendation, but I have to politely decline your offer Kind regards, Valerie |

Sieving to 250T is completed, sieving in progress in the range 250T -> 255T,
Finding a factor each 300-400 sec, still faster then LLR, Kind regards, Valerie |

I find it really inspiring how long you've been working on this k. I started sieving for Proth k=1281979 some months back, now I'm at around 250T as well, but only for n < 4.1M. So 2 cores produce a factor aprroximately every 2000 s between them. Primality testing will be done using Proth20 on an older GTX7xx GPU, which takes 3.5 h for a = 4M so I'll continue sieving for a while.
If I will do this with the same dilligence as you, I'll still be at this k it in 2035... :) |

[QUOTE=bur;566356]I find it really inspiring how long you've been working on this k. I started sieving for Proth k=1281979 some months back, now I'm at around 250T as well, but only for n < 4.1M. So 2 cores produce a factor aprroximately every 2000 s between them. Primality testing will be done using Proth20 on an older GTX7xx GPU, which takes 3.5 h for a = 4M so I'll continue sieving for a while.
If I will do this with the same dilligence as you, I'll still be at this k it in 2035... :)[/QUOTE] Thank you bur for the compliments! :):smile: |

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