Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 833: | \[{4^{833}-1\over3}\] | 43 × 127 × 239 × 1667 × 20231 × 43691 × 131071 × 823679683 × 62983048367<11> × 131105292137<12> × 4363953127297<13> × 4432676798593<13> × 14821647473599<14> × 143162553165560959297<21> × 2394594520709878135254356190088519028761<40> × 794769178865803830796254438307018567389833<42> × 16248173432447880508878672460681334430321473<44> × 42420600363330178721105990246386975306561768489516913832364096351<65> × 37242912951887009158916297158331427118575448479451910316141843224837062312908422864387566510155203<98> × 318095543762315513245733565919980584722115097435367086842977681396513138180220811079626039335409955321<102> |