Wednesday, December 13, 2023

A million-digit Leyland prime (third one)

After my second find, I really did not think that I would generate another example in my current search space. However, at the upper end of that space:

194968^136197+1*136197^194968 is 3-PRP!

This is now the 14th largest-known Leyland prime. Ryan Propper owns the largest 13:

19 million-digit Leyland primes (via Norman Luhn); n-th Leyland + 1 = A076980 index

No comments:

Post a Comment