Base 2 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 703: | \[2^{703}-1\] | 223 × 524287 × 616318177 × 35284030283053759<17> × 1294046302848776287<19> × 11931812674076681849<20> × 167823649475113693461122232089506777<36> × 59588714597816906383348767955828416209<38> × 107190529393336966967769563289730718564973813003358551965641353499711<69> |