Thread: Primes made mostly of nines View Single Post
2020-10-22, 13:33   #5
fivemack
(loop (#_fork))

Feb 2006
Cambridge, England

143568 Posts

Quote:
 Originally Posted by xilman Why do you care? It isn't that 10k-digit numbers are difficult to prove prime by ECPP or APR-CL these days.
Using a gigahertz-month of compute for something which can sensibly be asserted by inspection would get probably ruder remarks from you and RDS :)

(my housemate had found a tweet getting excited about a 6400-digit prime comprised entirely of nines with a single eight, and I thought this was not a particularly exciting result)