Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 324: | \[{28^{324}-1\over27}\] | 34 × 5 × 13 × 192 × 29 × 37 × 109 × 127 × 157 × 163 × 271 × 541 × 757 × 24481 × 47221 × 50221 × 102547 × 314497 × 362233 × 444979 × 3390661 × 188878213 × 2320484707 × 48455787277<11> × 235922815189<12> × 428485444021<12> × 1490377643353<13> × 2714261904253<13> × 320353460708401<15> × 12471074794365391<17> × 68948693997660959163751<23> × 393882427859181117808681<24> × 683911306410797040332603310187815160579922479<45> × 467102764647624870534174882972667122829050205740085854715337092963516619074219<78> × 11354123795609382949843867579042928331599684945466115825862837497647882447623154855250269001746751819423724084279374713243457<125> |