Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
45: | \[{28^{45}-1\over27}\] | 32 × 192 × 31 × 271 × 15991 × 444979 × 637421 × 734941 × 48403441 × 1114029602365666612314868561<28> |