Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
45: | \[{31^{45}-1\over30}\] | 32 × 5 × 11 × 271 × 331 × 2521 × 3637 × 17351 × 63901 × 81343 × 106291 × 327412201 × 337048683633480845467801<24> |