Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 464: | \[{15^{464}-1\over14}\] | 27 × 17 × 59 × 113 × 233 × 1489 × 7121 × 179953 × 1074277 × 281589769 × 1240581007181<13> × 20097717436110497<17> × 15476275967141572773889537007699<32> × 798962746803683694452047348022461<33> × 8269331225814050337668692222063804849<37> × 527487819624457733970176596127085556537170362830993812761358975583188405914259145265688863997599937025228210687502393473924437840001<132> × [13845074350784416158578208733964870315887575796030228030112859852789615647456668340383642943171222093738527997460836143160922668937160191647995070114731014006532916640921387052489308414289828300826084814105018891004381138928521996865002653111348833<248>] |