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K=193997 Eliminated!
On April 3rd, Tom Greer (tng*) of the United States discovered the 3,447,670 digit mega prime:
193997*2^11452891+1
This is the first ESP k elimination in over three years. 10 k's remain in the Extended Sierpinski problem, plus the 12 remaining k's in the Sierpinski Problem (aka "Seventeen or Bust") and the Prime Sierpinski Problem.
This is the 23rd largest known prime number. It is PrimeGrid's 38th mega prime of 2018, and our 234th overall. In over ten years of operation, this is also PrimeGrid's 11th prime of at least 3 million digits, the last three of which have been found within a 15 day period.
Link to the top T5K entry: http://primes.utm.edu/primes/page.php?id=124564
Link to the official announcement: http://www.primegrid.com/download/ESP-193997.pdf
As a result of eliminating this k, we've pulled the remaining candidates with k=193997 and n>11452891 from the system. A small number of those candidates were already in the pipeline to be processed, so there may be a few that get sent out.
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My lucky number is 75898524288+1
(I am NOT an administrator anymore, so please don't PM me with questions. I can't help.) | 
