Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 410: | \[{28^{410}-1\over27}\] | 11 × 29 × 83 × 821 × 53951 × 637421 × 801469 × 32512427 × 147549161 × 9048878843<10> × 150325247041<12> × 7846824118921<13> × 13576517303213461<17> × 164175956442953113<18> × 9361705824021881191<19> × 5002383217719389360473913384039<31> × 4495294535482012470972518309284152114589<40> × [11239156659846783340306309933813041331769877687791396849743212840530426964771391618369450661366127685397400413004377539668917363010340141999345315225021281753842855100313920921140252037514152604841<197>] × [49485281798681210755214116819855610910044758186058042594157642374647657178831162578619217489237214208642872822968598828803722265717694576818036764924561924452078042900916519635595905236822701525313091<200>] |