[quote=fivemack;190928]
(RobertS: I'm already running 564096; see post #23)[/quote]

sorry, didn't see

reserving 565524

Done with 562086, 107 digits, 2^3*3^2*7

Also done with 562320, 102 digits, 2^3*3*5^2
Done with 562488, 100 digits, 2^3*3*5

563808 Done

Reserving 569880

unreserving [URL="http://www.factorization.ath.cx/search.php?se=1&aq=565230&action=last20&fr=&to="]565230[/URL], it is done to i=1160, size 100, [COLOR="Red"]2³*3*5[/COLOR], last index fully ECMed.

562020 done

569880 Done

Reserving 569850

Abandoning 563598: up and down and up, now at 110 digits with 2^4*3

Abandoning 560328: up and down, plateau at 90 digits for a few hundred iterations, now at 119 digits with 2^4*3^2*31.

Taking 565542, 565608

563560 and 569850 Done

569850 Terminates

Reserving 568104, 568608

565800 is done.

Reserving 567336

Abandoning 565608 (climbs monotonically and at pretty uniform speed to C108, 2^2*7)

Reserving 569808