Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 267: | \[{15^{267}-1\over14}\] | 179 × 241 × 807409 × 5741569 × 18500463452718361<17> × 12620687609916899827<20> × 137602216248599519802294854317002273667<39> × 1095561187337661750836708440939066058141383<43> × 12556389966735717239290312867405392279627344229633295496808036453334967380715171<80> × 83917279681682674960306866151377717248000594616200731192444058118407038110685429772575785183196270927<101> |