Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 861: | \[{5^{861}-1\over4}\] | 31 × 379 × 739 × 19531 × 519499 × 960139 × 1487809 × 1785961 × 10690751 × 203375089 × 2238236249 × 9025583299<10> × 43182897730749379<17> × 5079304643216687969<19> × 1038891585945814650631<22> × 131912798055811250059723800331<30> × 5832474690386022428273180864659<31> × 200456612648502497143478864083019776355872078643714969425922111151726966764329055421646037788009839817261530990040185377073764266169<132> × [46867556518802222916508237311787926440118564227770080814350608667153602437679641782572906757508292797039884627435847937049979514591632715573964449911703668159964688418708051016184884551624063266776973617841584261744071698735173303455663633020387255220881960315400609592968826966353441<284>] |