I finished that larger run I mentioned, on a range of
800 million, which sieved down to just over 3 million.
yielded 50,000 candidates and stage two 421. Stage
three spat out a lone winner rather than the expected
This lucky number, the smallest term of an extreme
3-Carmichael, has 1116
digits, and the Carmichael has 6691.
It looks like my code does work, so I'm now moving out
of the testing phase and -- surprise! -- have started
on a larger range. I've petitioned Prof. Caldwell to
accept the form for archival. I've been informed that
the literature does
mention maximal factor sizes for Carmichaels, and I
Dr. Broadhurst can be trusted on this.
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