Thursday, January 17

My 200th Leyland prime find


In August 2016 I mentioned my 100th Leyland prime find. This morning I found my 200th. The graph (click on it for a better view) shows the number of decimal digits of those 200 primes as a function of the discovery date (the calendar years mark the start of those years). One may note the periods of relative inactivity where I was burdening my processors with other tasks. The upper-right plateau constitutes my "long compute" which will come in at just under two years when it's done in April of this year.

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