Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 107: | \[{14^{107}-1\over13}\] | 80096563 × 64301767086455821476391543<26> × 11532779639819150795491142557<29> × 559739148442351350196576315930699382943608532088866467856187<60> |