Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 364: | \[{31^{364}-1\over30}\] | 26 × 132 × 29 × 37 × 53 × 547 × 1093 × 2549 × 7253 × 11971 × 13469 × 17837 × 17863 × 42407 × 71821 × 252253 × 647011 × 1661479 × 2426789 × 7908811 × 14407667 × 116337521 × 277739477 × 917087137 × 76037563733<11> × 42716694944587<14> × 101686136508893<15> × 473516688426601<15> × 669665808855863<15> × 512282817027138260652277<24> × 30166802393724523749665741362793<32> × 1122399563430440797573237387545143<34> × 102672478567468007638784142574112507144367962863477<51> × 66047943542341986132550279068640076153338000074457997329935293562942426481<74> × [820990963144675991089653840907335190315060764075629690858024727723509937918661220224862071400574654536964399145526554556374346384792176759743863496541<150>] |