Quote:
Originally Posted by science_man_88
basically what is being pointed out here is that gimps does not do TF by LL.
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It's not GIMPS, it is what an LL test tells you:
Either the number is prime or it's composite, but
if composite gives no indication as to what the factors are.
(Although one might conjecture that the actual non-zero residue
could potentially help in finding the factors).
It is worth checking for factors below 2^73.
GIMPS typically searches up to 2^71,
because of an administrative cock-up.