Base 28 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 375: | \[{28^{375}-1\over27}\] | 3 × 31 × 251 × 271 × 15101 × 15991 × 36901 × 106801 × 132001 × 245251 × 637421 × 734941 × 32861501 × 6813064001<10> × 7984305701<10> × 1606876519751<13> × 171813927594772108174052851<27> × 1214016885302580230773187551<28> × 1599000960085924476472613473719992411738225991261539629819839771552618469753882940656168305718116566993734075537931251<118> × [204658151470908939219758942867852900502741789408986822844566374617094060148907518047322365169777549723532590136929970879335423626921546897919613164988749079169751969918190233299289317557667406609631226321820319677268242452717033173384301760590136030748377175940356249339055005584892001<285>] |