Base 19 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 286: | \[{19^{286}-1\over18}\] | 22 × 5 × 23 × 131 × 313 × 599 × 29251 × 48049 × 104281 × 176021 × 211927 × 291331 × 62060021 × 133338869 × 7397978017<10> × 20271129451<11> × 195000487111<12> × 253239693257<12> × 484999211432309003<18> × 973147631947429212231313320316954859687<39> × 45700309117669323824028437641822324985920393<44> × 15543413612386084774775804483636480803625848490331902843<56> × 79501788677765807820083684792913402482336844198806953501617260671438238573343748440692076715212235269199060709<110> |