tables > repunit > 28

Base 28 Repunits

Table

Viewing: 638 – 638 << prev next >>

(available: 0-999)

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

* 638: \[{28^{638}-1\over27}\] 232 × 292 × 59 × 40427 × 723493 × 1074509 × 6077039 × 50545507 × 540610746853<12> × 5578037337080397524410571<25> × [9382098212231625350786461766433384392566670934848690184477200433115059688887248580067605734736673209868692370955647979274193192755193783543265665518703955365560037993612433576876599751915703463134806367085647562839704635491509935355512461030185590157893608928547334142477682178407665773572424703997077134940647310830441837180420707208697155121994405799564730816570479830160021704746812109553116397927292866361826081889092091702085978784898159017097373777268057907570271790997957373686405046907831984621469846567214663385850432878336412416471509491135665580854756284514976806372394603038117078027023283511967953297274675445956301813068435795865647633145339954966710835841346917126403159950896985195586977050189540215235151469071663528506126560770181749143118321943100252557130779882013615483125775021992650842012850688897194876256782314062396141319<847>]

Index range: 638 – 638 << prev next >>