Base 31 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| * 233: | \[{31^{233}-1\over30}\] | 2797 × 22369 × 3378967 × 314368909139<12> × 5370529037337777698293<22> × 497460623751980963639777604124549<33> × [57652089904263926514367191238153306780130602547408712894346427309787200979052114491824611735724029352711388498884422470258897249825100525475146016712012105658347563657400360339327849122999743252750747034022722162277305831636838514920199886055734428005699832795534921<266>] |