Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 495: | \[{15^{495}-1\over14}\] | 112 × 61 × 67 × 181 × 241 × 463 × 541 × 661 × 2333 × 4931 × 5347 × 8537 × 21061 × 55243 × 1011671 × 1248721 × 39225301 × 552548701 × 62475406423<11> × 3591696636001<13> × 4969143820807<13> × 5257541013121<13> × 39875552313301<14> × 1741078786797952487623<22> × 92978587355640205970336221<26> × 4134133437409562377193865001<28> × 9273757272736041033417670310849312570581<40> × 71472830417465766173099456354984223218647<41> × 6945647676947900433490732750682148356329247621161<49> × [2427961767028010042799288455887866758340074000813614744190675187491823406921823254557653911095557694923937846884103618968775785282781228436529649615486610820650985680036493821802751201793393566508476491957397594822970848685746139374972469453981<244>] |