Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 394: | \[{5^{394}-1\over4}\] | 2 × 3 × 20420627 × 470323176131<12> × 362204827770839<15> × 1526268143138331950101<22> × 2662193946798777837030305003416365056937998391437636615084793850134045443158227244202925103830353865072242023<109> × 730600976247394424186287179916007406731365107091939767543519557253021863903691190053568311733456440015345138409<111> |