Base 36 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
47: | \[{36^{47}-1\over35}\] | 930911329 × 45110836129<11> × 17821718159716147<17> × 534577564460822791430647883899825591<36> |