Base 15 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 165: | \[{15^{165}-1\over14}\] | 112 × 61 × 67 × 241 × 463 × 661 × 2333 × 4931 × 8537 × 1011671 × 1248721 × 39225301 × 552548701 × 62475406423<11> × 4969143820807<13> × 4134133437409562377193865001<28> × 9273757272736041033417670310849312570581<40> × 6945647676947900433490732750682148356329247621161<49> |