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 2017-01-30, 14:13 #1 ET_ Banned     "Luigi" Aug 2002 Team Italia 2×2,383 Posts gfn results 119252085*2^6162+1 is a Factor of GF(6160,10)!!!! 168888633*2^6189+1 is a Factor of xGF(6188,11,2)!!!! (from Frederik Hermanns - N=6150-6200 - K: 100,000,000 - 200,000,000 Last fiddled with by ET_ on 2017-01-30 at 14:54
 2017-02-20, 12:02 #2 ET_ Banned     "Luigi" Aug 2002 Team Italia 2×2,383 Posts gfn range completed N from 14,000 to 14,500 and k from 20,000,000 to 30,000,000 completed with pfgw and the switch -gx Here are the extended factors: 20085603*2^14098+1 is a Factor of xGF(14097,9,5)!!!! 21704897*2^14499+1 is a Factor of xGF(14498,9,5)!!!! 28371113*2^14393+1 is a Factor of xGF(14392,7,2)!!!!
 2017-02-21, 09:04 #3 houding     "Adolf" Nov 2013 South Africa 61 Posts 86229*2^82319+1 is a Factor of xGF(82318,10,3)!!!! 17105181*2^14973+1 is a Factor of xGF(14969,11,5)!!!! Adolf
 2018-01-02, 18:39 #4 Batalov     "Serge" Mar 2008 Phi(4,2^7658614+1)/2 23A716 Posts 120769*2^72390+1 is a Factor of GF(72389,3) (plus some xGFs) The bigger boat gets more fish, but still no tuna this year...
 2018-06-03, 02:23 #5 rogue     "Mark" Apr 2003 Between here and the 22·1,481 Posts Finished n=10000-10999 for k=269e6-300e6: 289602611*2^10879+1 is a Factor of GF(10876,10)!!!!
 2019-04-19, 08:48 #6 ET_ Banned     "Luigi" Aug 2002 Team Italia 2·2,383 Posts A new Generalized Fermat has been found 2788032524288 + 1 While not the largest Generalized Fermat it is the largest prime for 2019 with 3'379,193 digits. Congratulations to user "Sheep" Last fiddled with by ET_ on 2019-06-02 at 18:08
 2019-06-01, 09:02 #7 ET_ Banned     "Luigi" Aug 2002 Team Italia 2·2,383 Posts I completed the following GFN-xGF range : 5600 <= N <= 5699 - 1,200,000,000 < K < 2,500,000,000 and found the following factors: 2491340445*2^5654+1 is a Factor of xGF(5652,11,10)!!!! 1755293137*2^5672+1 is a Factor of xGF(5671,8,3)!!!! 2004304135*2^5672+1 is a Factor of xGF(5671,7,2)!!!! 1982981535*2^5675+1 is a Factor of xGF(5674,8,7)!!!!
2019-06-02, 01:49   #8
Dr Sardonicus

Feb 2017
Nowhere

3·5·233 Posts

Quote:
 Originally Posted by ET_ A new Generalized Fermat has been found 2788032524288 + 1 While not the largest Generalized Fermat it is the largest prime for 2019 with 3'379,193 digits. Congratulations to user "Sheep"
That would be 2788032524288 + 1 or 2788032^524288 + 1, as reported here, with the official announcement here.

Thank you for the correction, the factor should look right now
Luigi

Last fiddled with by ET_ on 2019-06-02 at 09:24 Reason: Corrected a tyop on teh factro

2019-06-02, 12:09   #9
Dr Sardonicus

Feb 2017
Nowhere

DA716 Posts

Quote:
 Originally Posted by Dr Sardonicus That would be 2788032524288 + 1 or 2788032^524288 + 1, as reported here, with the official announcement here. Thank you for the correction, the factor should look right now Luigi
Looks OK in the quotation in my post. As of now, the typo is still there in your post, though

I make so many typos, I have a Black Belt of transfinite degree

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