Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 539: | \[{4^{539}-1\over3}\] | 23 × 43 × 89 × 127 × 617 × 683 × 78233 × 12460603 × 35532364099<11> × 4363953127297<13> × 4432676798593<13> × 581283643249112959<18> × 31100269092898119731<20> × 234341789260493933662402728271919<33> × 11464158678831419555307566061644085062421769697020398649986313091766942851904723145020010938191<95> × 7041654513267071393853911873196906476682748308462741872805521948554771590043753855404907061178826433<100> |