Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 254: | \[{10^{254}-1\over9}\] | 11 × 3557 × 18797 × 90679 × 857772733 × 1094479651 × 1125629957 × 616896149073719728613<21> × 10860110813777339731289<23> × 36099531273603138218699301565567581705151216702113889<53> × 651871849785243820958119684233142982170536938147349501049955875423544371888519632103159753836519854149224951224466197<117> |