Taking 27324, 27336, 27816, 27930.

done with 25896
reserving 27384

Done with 26340, 112 digits, 2^2*7

27324: i780, size 112, [COLOR=Red]2^3*3
[COLOR=Black]27816: i958, size 111, [COLOR=Red]2^2*5*7[/COLOR][/COLOR]
[/COLOR]

27930: i3239, size 111, [COLOR=Red]2^2*7[/COLOR]

Taking 29070, 29370.

done with 27384
reserving 27450

29370: i2911, size 111, [COLOR=Red]2*3^5*5[/COLOR]

22584: i1901, size 120, [COLOR=Red]2^3*3^3*5[/COLOR]
Taking 28188.

Done with 26472, 111 digits, 2^4*31

Done 27000 111 digits