745080 at 100 digits, 2*3*5.

Replaced with 745782

745650 at 100 digits, 2^4*3*5*31. Taking 745824 instead.

Done with 743646, 105 digits, 2*3^2*5

Reserving 748080, 748244, 748350, 748356, 748422, 748500, 748752

Reserving 745948 746112 747456 747726 749304 749328 749952

745404 at 100 digits, 2^2*7
745782 at 100 digits, 2^2*3 for the last dozen steps

Reserving 746040, 746196

745410 at 100 digits, 2^2*7. Reserving 746200

releasing 742740:

size 103, i740, 2[sup]2[/sup] * 3[sup]2[/sup] * 7 * 127 * 619 * c96

reserving 747768

745584 at 100 digits, 2^5*3*7
745608 at 100 digits, 2*3
746196 at 100 digits, 2^3*3

Taking 746220, 746298, 746304

745824 at 100 digits, 2^4*3; taking it to 103 digits
746298 at 100 digits, 2^3*3^5

Reserving 746564

745824 at 103 digits, still 2^4*3; stopping

Taking 746664

Done with 745948 746112 747456 747726 749304 749328 749952
Reserving 746712 746856 746880 746886 747120 747720 747762