Base 13 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 297: | \[{13^{297}-1\over12}\] | 33 × 23 × 61 × 199 × 419 × 859 × 3169 × 18041 × 650971 × 1609669 × 235810279 × 57583418699431<14> × 17551032119981679046729<23> × 2192746830056885246381227<25> × 4961804056982481090385314988238018557<37> × 1371641710132019839433902760838100709140668622248904971371609883332897329935511015541848947032102346579979407838765104520247019969892905412969990753774468746841282882658363770801771374006128911<193> |