Wednesday, November 20, 2019

My 400th Leyland prime find

This latest addition to my table came in just after midnight. It was (at the time) asterisked because I had been unable to submit it (as well as seven previous others) to PRPtop, where submissions were timing out on the "captcha" (I'm not a robot) requirement. This was annoying to me for a number of reasons. I had to worry about Norbert Schneider rediscovering one of these already-found primes and I also use the PRPtop numbers to double-check my total counts.

Update: Finally, on November 25, the submissions started to work again.

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