Base 25 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 399: | \[{25^{399}-1\over24}\] | 3 × 72 × 29 × 31 × 43 × 127 × 191 × 229 × 379 × 449 × 761 × 2129 × 6271 × 7603 × 9311 × 19531 × 19609 × 65171 × 213029 × 281429 × 354047 × 519499 × 3981071 × 93174481 × 3257947519 × 152317058321<12> × 75649382555448580095589<23> × 11735415506748076408140121<26> × 29090007107767075239783794592001366542871<41> × 4905684062582720880172275280025711696216945281088701822552533098887<67> × 126368863713770481047657519976032221963728146785045672287466498889949586726611946329514911779372482581842421351214666490207902222356573808012801<144> × 7976379002783034821533938984413644022086027086511337592117378330472304993003280640941895179468566146773985687239150535537000905605213334484100343437521<151> |