Base 23 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 150: | \[{23^{150}-1\over22}\] | 23 × 32 × 7 × 132 × 31 × 41 × 79 × 101 × 151 × 211 × 6551 × 56951 × 292561 × 1068701 × 5635501 × 541119751 × 74912328481<11> × 2700470569501<13> × 279175761283651<15> × 261968569374120475321751<24> × 1090621172879625550471378131249830699682901<43> × 522613924655735017942514120914854210713697682501<48> |