Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
66: | \[{29^{66}-1\over28}\] | 2 × 32 × 5 × 13 × 23 × 67 × 271 × 661 × 727 × 632743 × 5618383 × 72384467 × 163097089 × 3691951429 × 17607980281<11> × 18944890940537<14> × 9705731115425038321<19> |