Base 6 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 608: | \[{6^{608}-1\over5}\] | 7 × 17 × 37 × 191 × 353 × 1297 × 1697 × 1787 × 4561 × 98801 × 4709377 × 417827633 × 440123297 × 48713705333<11> × 505981859041<12> × 638073026189<12> × 1030762781149<13> × 355518408146401<15> × 9736145643041809<16> × 5028187486478069273<19> × 13038313680704041577<20> × 26836193435793601023998323852801<32> × 1994925942625516775592340148569766165608448716213725436669937<61> × 693346929436160407667161921820423929978381970938958936441952882745560041213921<78> × 419792964995122262476303833616584403888811579502953814472213566582539360587514945665744185751170351962303223552252276830271269842672559233<138> |