Base 7 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 990: | \[{7^{990}-1\over6}\] | 23 × 32 × 112 × 19 × 23 × 31 × 37 × 43 × 67 × 191 × 199 × 331 × 541 × 991 × 1063 × 1123 × 2311 × 2801 × 2971 × 3631 × 7591 × 26731 × 38501 × 63361 × 117307 × 151471 × 154351 × 159871 × 173647 × 293459 × 295831 × 1532917 × 2864401 × 6568801 × 7777981 × 10746341 × 12323587 × 58232791 × 1527007411 × 8095532743<10> × 8803033471<10> × 36647640811<11> × 125096112091<12> × 244188888967<12> × 951113761291<12> × 83723745489451<14> × 1357105535093947<16> × 7840815905526451<16> × 539555593782065191<18> × 1946951063386221338821<22> × 827988114476563498913071<24> × 1153076220912621883421611<25> × 257736175658549346017402101729<30> × 87055474380291744025754954110081<32> × 5457586804596062091175455674392801<34> × 1724611856467513651337360769984406887841<40> × 14658652062814508164798530246267135510037033<44> × 1037576846531852158094980014666481681928691773474167674807076560744986115934249708620106461559742318918052931724341<115> × 5553288757689610571971721823163216602871240377956367396291282936811703842283968390622756406256606795033267685712106647170668935028930222741466418722951140530774836864724902137400766569854231<190> |