Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 208: | \[{26^{208}-1\over25}\] | 33 × 17 × 53 × 677 × 937 × 3617 × 6449 × 8737 × 26881 × 38299 × 397073 × 27764777 × 57734881 × 468363169 × 546547769 × 3574533119 × 453768852161<12> × 670242012837697<15> × 6213182349487777<16> × 10916345354576890691481319028337262403373377<44> × 9491993158532538627939338235507983515700230688277605128065899473<64> × 223468007697996776065016835348967550075769720117028430909246687329<66> |