Base 18 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 277: | \[{18^{277}-1\over17}\] | 1663 × 50969 × 14618953 × 57846871467001<14> × 2265937153090879<16> × 185948476282688899350679677302627793105757684074663173870661609842623418330732626803538236045529676034720097213989353808019746443567957218839970673120385858973109757626594230826450274094232539430302929701677549171055382901612402380793143712515657524022976679135989596316804406575603012786101038004801959<303> |