Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 891: | \[2^{891}-1\] | 7 × 23 × 73 × 89 × 199 × 1783 × 2593 × 71119 × 153649 × 262657 × 599479 × 8950393 × 97685839 × 33057806959<11> × 12430037668834128259094186647<29> × 170886618823141738081830950807292771648313599433<48> × 162395453880679626976948802659318287464839269423776929238860749460670217598671007563737736550442141312167882823739728942052405438289<132> |