Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 348: | \[{28^{348}-1\over27}\] | 3 × 5 × 13 × 292 × 59 × 157 × 233 × 271 × 349 × 757 × 5569 × 40427 × 47221 × 282577 × 1074509 × 77241733 × 5506203727<10> × 708359326721<12> × 25404189355843522469778697943<29> × 741399733704231907110769364138317<33> × 78986076594620414501936740817451437263<38> × 207241429607426572728259640934771215941<39> × 582595509837473004489665028935473297399<39> × 14405203448381389905975938245958580648196627<44> × 2490984281800796713523237526645659080993083834467855653648162831<64> × 19048518175335748746037009367532568856946855016441696044225927517<65> × 4998159030263072928044259812374853170397572344146212894833925599449247475892621761<82> |