Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 359: | \[2^{359}-1\] | 719 × 855857 × 778165529 × 65877330027880703<17> × 370906580744492785430299503112990447<36> × 100361196281293745682520861860411315001<39> |