Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 219: | \[{14^{219}-1\over13}\] | 211 × 439 × 83221 × 183523 × 26232697 × 8519615527<10> × 21832948771<11> × 42763324519<11> × 65704256923<11> × 314019504497425621<18> × 7708818770493814043599025468833<31> × 10566980260900333849245254932444354727296796880253<50> × 15577235860284712987872602187918996077158266110548316619744469411039834125107740625967769<89> |