Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 232: | \[{28^{232}-1\over27}\] | 5 × 292 × 59 × 157 × 233 × 349 × 40427 × 614657 × 1074509 × 708359326721<12> × 75256480949897109673<20> × 535524950217468393953<21> × 25404189355843522469778697943<29> × 582595509837473004489665028935473297399<39> × 4796451555404169647721594506932121054377<40> × 19048518175335748746037009367532568856946855016441696044225927517<65> × 6243888302447483018920501830804781998609352621105492281612002295065597533738396817<82> |