Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 595: | \[{4^{595}-1\over3}\] | 11 × 31 × 43 × 71 × 127 × 239 × 281 × 20231 × 34511 × 43691 × 86171 × 122921 × 131071 × 199921 × 823679683 × 62983048367<11> × 131105292137<12> × 2087022330866411<16> × 69935987114957671<17> × 9520972806333758431<19> × 26831423036065352611<20> × 143162553165560959297<21> × 692218280897365325531<21> × 165609143561652962744166091<27> × 114108926533277547114950395876303650748750713807456121<54> × 156976201468970642065664316120765286713599373793130986508130654226034754720680193933255191<90> |