Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 603: | \[{4^{603}-1\over3}\] | 32 × 7 × 19 × 73 × 1609 × 2011 × 9649 × 22111 × 1460467 × 6324667 × 7327657 × 193707721 × 533471689 × 761838257287<12> × 6713103182899<13> × 4484273898055819958731<22> × 59151549118532676874448563<26> × 87449423397425857942678833145441<32> × 648168721774409511378116151410898673195879<42> × 218296778680424803757800688187260042629442091157587489529855230993806344506271<78> × 51866643623393589231647265407808417382750627355685957476608635266657371561413858193<83> |