tables > repunit > 20

Base 20 Repunits

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

* 277: \[{20^{277}-1\over19}\] 1109 × 18936829 × 131840775961<12> × [46160089677881642696995159607743635756399698218538652420052532053041343275846944027123272848664189730749942214537291338584596020010923708631985192436572263142666562271785057148913999280889155480378593499984519817261817859355660223989572269582020952642032680687956436274964996035004583936909578967820502711310958298398247422802717012803501<338>]

Index range: 277 – 277 << prev next >>