Base 26 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 129: | \[{26^{129}-1\over25}\] | 19 × 37 × 20899 × 1014973 × 181309990618269859<18> × 279199061472649689615930789290784389297167871396904357110743<60> × 18019837473865683530297042168511802416138863670857816469361314598366032523180144089705962707<92> |