Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 330: | \[{28^{330}-1\over27}\] | 3 × 112 × 232 × 29 × 31 × 67 × 199 × 271 × 331 × 757 × 2377 × 4621 × 15991 × 53951 × 365773 × 637421 × 734941 × 2054581 × 2908291 × 6077039 × 50545507 × 84673681 × 212170597 × 5925845311<10> × 7351568071<10> × 12655430041<11> × 16071033331<11> × 346438463911<12> × 540610746853<12> × 829366011211<12> × 1548465957061<13> × 94275090945167441<17> × 5906633396655970661<19> × 38681906982937869421<20> × 46205382491949111421<20> × 75223260922213952461<20> × 425141076149786955572181811<27> × 4554890187723982098962291325301<31> × 2256086536806735559873959953740573846381<40> × 2091907155977893174797613626701632222782136241<46> × 11074778449341302323058553051686501252391161344278153811<56> |