Base 29 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 138: | \[{29^{138}-1\over28}\] | 2 × 32 × 5 × 13 × 47 × 67 × 139 × 271 × 277 × 12697 × 32983 × 7637473 × 131327761273<12> × 47204232433066302943<20> × 1173922372300235340427<22> × 548044326578988272558591797<27> × 3061504055141429624638878278539<31> × 153912874105237767355544773738256170456912399898057768858434219<63> |