Base 14 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 203: | \[{14^{203}-1\over13}\] | 13109 × 36947 × 8108731 × 25581350023<11> × 396530555859061913<18> × 1279796312524198783959026179698128589697724026090831813828577<61> × 69599365372907988991031984039240171835801763708367735828280978145101173503200169874150258936667969998681159921905818046424316289<128> |