Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 488: | \[{5^{488}-1\over4}\] | 23 × 3 × 13 × 313 × 367 × 733 × 8419 × 9029 × 57097 × 61001 × 19811275733<11> × 918585913061<12> × 15571335384347<14> × 26933356951273517<17> × 1475034311407732073353<22> × 14008364639128540436401<23> × 140194179307171898833699259<27> × 30319589876521738837586350091112786441985691445677<50> × 6709517839740429079122261237565324676887156631598042446793209605582023264174532698965573854290986610705488759007489169066861168277603749377361<142> |