Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 600: | \[{28^{600}-1\over27}\] | 3 × 53 × 11 × 13 × 29 × 31 × 41 × 61 × 101 × 151 × 157 × 271 × 401 × 601 × 757 × 1201 × 1861 × 3001 × 4621 × 7321 × 14561 × 15101 × 15991 × 29201 × 36901 × 41641 × 45541 × 47221 × 53951 × 84961 × 90001 × 100801 × 106801 × 614657 × 637421 × 734941 × 1810001 × 2449561 × 2606251 × 18536101 × 39148201 × 51605161 × 67643801 × 84673681 × 688406401 × 6813064001<10> × 7257822361<10> × 7984305701<10> × 24946065401<11> × 192184659301<12> × 198150196501<12> × 1515138072601<13> × 2863024493281<13> × 225566643512101<15> × 360728480233546501<18> × 3250144890260318201<19> × 3779203810704375601<19> × 14001751789311054001<20> × 222929435014083414901<21> × 2507896297862607550800001<25> × 54979382922948140609798201<26> × 171813927594772108174052851<27> × 1214016885302580230773187551<28> × 4670645471285868887850684885028561<34> × 196611750309146090071121900014423528855166926267801<51> × 39279431263137951958903017306541011592253291986497113914201<59> × 18921450320394637613786408174032734847441042662783501315569140501<65> × [3056834227461109626794348123317855674784752701017515371531355053173044709874923619692179479971192110761927079090197749557627879664564483442579615853445850421182461568112601<172>] |