Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 492: | \[{28^{492}-1\over27}\] | 3 × 5 × 13 × 29 × 83 × 157 × 271 × 757 × 821 × 10333 × 47221 × 801469 × 2008673 × 32512427 × 97940719 × 3871316023 × 9048878843<10> × 763210858591<12> × 2981739424129<13> × 164175956442953113<18> × 296179414197575581<18> × 51645219211926479921779<23> × 5002383217719389360473913384039<31> × 4495294535482012470972518309284152114589<40> × 7535061144448219855718938274686920931447<40> × 12903372235376872347241937999231008831884805129840357<53> × 2282845107988936222774899630243924800305888231463977150781<58> × 10579271983706921378813135600477150262216053322780955418227<59> × 961413627223934919442298688103103843727336437853883723949761<60> × 1178606740126231142376731348956886279833430257356947340298524534220324445809134073461703163406142198631782000586056553156502734597940171483344272354725026694564715664656874560058323315013453418102134398671802000367956369<220> |