Base 10 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 690: | \[{10^{690}-1\over9}\] | 3 × 7 × 11 × 13 × 31 × 37 × 41 × 47 × 139 × 211 × 241 × 271 × 277 × 691 × 2161 × 2531 × 5521 × 9091 × 31051 × 31511 × 74521 × 487831 × 2906161 × 11313931 × 19277911 × 19707665921<11> × 127688571001<12> × 194656286401<12> × 143574021480139<15> × 203864078068831<15> × 549797184491917<15> × 20414137203567631<17> × 11111111111111111111111<23> × 24649445347649059192745899<26> × 1595352086329224644348978893<28> × 5799951513941382144830754391<28> × 122403569491783662720773144041<30> × 7386441591567953769105190285927615814299177561<46> × 35645906496364306434849378023333297827811383782580351<53> × 15918798843849477568899983937931966555877132981347465830696251648192619376266439940521<86> × 43810325613739522298108991741277641747137547565878057174130075470872858289958280148759277150273598401<101> × 804791137698205712227875104211652255670618070071975559971188073748078291737835666205639770770978612281<102> |