Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 441: | \[{28^{441}-1\over27}\] | 32 × 192 × 113 × 197 × 271 × 1009 × 3529 × 444979 × 1090153 × 2155609 × 4422461 × 319343666713<12> × 223934956756993189<18> × 154154940307497300453157<24> × 9722752709431437568557001<25> × 80504606285644335564853693<26> × 991322283651723729605072437657<30> × 16651838915665484336259585989031118393<38> × 44498235948084746667439513476081194102813<41> × 2023532149466799320418430885960268664095518986313<49> × [1407288050190568721378238498071698404730091041193466563557640161538711510813720832397963265043199645358666129488809884180084906801328684432700694835565171070031921850072051624229538782526650909651744282764303447243493843627548973479644885015551784526403437098050086245369159963674202600649470724555003916510369633429669851115725107048241<337>] |