Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 595: | \[2^{595}-1\] | 31 × 71 × 127 × 239 × 20231 × 34511 × 122921 × 131071 × 199921 × 62983048367<11> × 131105292137<12> × 69935987114957671<17> × 9520972806333758431<19> × 156976201468970642065664316120765286713599373793130986508130654226034754720680193933255191<90> |