Base 4 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 467: | \[{4^{467}-1\over3}\] | 33702457 × 121606801 × 48919673417<11> × 9516375589637513<16> × 133116327626495251<18> × 759355003952701949854003<24> × 27312390961824038384529619828691<32> × 2932473701943181625152024650584953<34> × 1148984537885906196977362003686090739460725564747973734847<58> × 2727318928892040009397199815225412029789790574177544409019502626344207905841<76> |