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Old 2020-11-29, 01:52   #23
petrw1
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Quote:
Originally Posted by lavalamp View Post
so probably 2 months or so to hit 91 bits.
25 days for a 2080Ti.
Maybe 15 if you get a 3090???
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Old 2020-12-02, 02:25   #24
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I went ahead and took the liberty of reserving that exponent to 91 bits. It's a comparatively slow 100 days on my GTX 1080, but it will be good to have an exponent fully factored. I will check my local electronics store for a 3060 Ti tomorrow morning, which should give a faster ETA at an affordable price.
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Old 2020-12-02, 02:33   #25
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it will be good to have an exponent fully factored
Perhaps ... but I still hope you find a factor.
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Old 2020-12-03, 04:44   #26
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Originally Posted by lavalamp View Post
Perhaps ... but I still hope you find a factor.
Perhaps I should say fully factored...to the optimal 91 bit depth! A factor would at least avoid the arduous P-1 and PRP tests, but those will also be an interesting challenge.

I was lucky enough to get a 3060 Ti this morning, despite there being over 100 people in a line that started forming the day before! I will install that and see what the new ETA is.
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Old 2021-02-16, 15:03   #27
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It isn't reflecting on mersenne.ca yet, but I factored 3321928171 to 91 bits with no factor. Anyone with a Radeon VII Pro who is willing to crunch a P-1 and PRP test is good to go!
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Old 2021-02-16, 18:41   #28
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Now you can get to mining ETH with that thing.
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Old 2021-02-18, 06:19   #29
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Now you can get to mining ETH with that thing.
Perhaps once the lousy Texas power grid gets its act together!
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