Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 675: | \[{5^{675}-1\over4}\] | 11 × 19 × 31 × 71 × 101 × 109 × 151 × 181 × 251 × 271 × 401 × 541 × 829 × 1171 × 1741 × 3301 × 4159 × 11071 × 14851 × 31051 × 71551 × 169831 × 1274851 × 1989151 × 9384251 × 49892851 × 183794551 × 297315901 × 1086749551 × 1357803001 × 1390332823651<13> × 1312315694449748688331<22> × 26941244373060650224561<23> × 489346511141264975761501<24> × 798134988394850122586201262390451<33> × 8227149935929283044132471512207436501<37> × 224491256466428912635990400917424912842296807654322501<54> × 2735457324920037475958859843061419480285136330855598517881096101<64> × 58413684961365206760476736605979958554299109536807463823805981156686304246448001<80> |