Base 5 Repunits
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
265: | \[{5^{265}-1\over4}\] | 11 × 71 × 1061 × 5960555749<10> × 17154094481<11> × 488094322309591<15> × 1335618937071191<16> × 27145365052629449<17> × 43347650492220877561107611<26> × 2663028332522257422423831182711147675076701<43> × 243639010783143748440140172149565434203189171<45> |