Base 22 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
242: | \[{22^{242}-1\over21}\] | 23 × 67 × 89 × 353 × 727 × 1176469537 × 22481168623<11> × 183223035161<12> × 230537266103<12> × 285451051007<12> × 174417604834462122603563479<27> × 154564446706258259287551087737<30> × 173553679199723358497876739287<30> × 263188380155831508054664062346670766599<39> × 1232392032046927631248408326567483219376348811693073011777<58> × 20547828655644009398995273407796292699360934958962860080838913868058290818994409<80> |