Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
139: | \[{10^{139}-1\over9}\] | 119124859925363<15> × 9327281575040435942820030416618073853906181206383845973140973454310325710523151012873614569275960380714495413018734336834397<124> |