Base 16 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 227: | \[{16^{227}-1\over15}\] | 5449 × 297371 × 83132849 × 694512857 × 5661492593<10> × 26986333437777017<17> × 3454631579714210387<19> × 4565795412500725128240734773<28> × 121090008650245240545321284919376582913<39> × 9447623200404223747744805461919020208953<40> × 69982170658265444713117545258712031103399659<44> × 7992177738205979626491506950867720953545660121688631<52> |