Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 666: | \[{14^{666}-1\over13}\] | 33 × 5 × 19 × 61 × 211 × 223 × 397 × 1999 × 18973 × 132049 × 283051 × 179278543 × 141405986837<12> × 5711663766187<13> × 312739193975779<15> × 25453825778910673<17> × 118918748615980063<18> × 5052787535809680019<19> × 9390701687499394651<19> × 8665884289397800272668347<25> × 6223308177932683558580086481<28> × 16644781585147995533888204203<29> × 172053642296900809660763987728555244160431048017543319540677416559730263477<75> × 35565060388871350658945035023083883245722769987650810844538629713946589861170306311<83> × [9892099210738287462693899820941408294406835070947642673528895560280912668074121558686984215435106125105100063135813647739367580642444824185927553816075844839137<160>] × [1100837089552978570816526526012785691179145650042945592320098624472760585896128473346936025393516076576512323016572728327258189522072032331369590067277854463047118986697399277909558809151417426898428344511637976844773<217>] |