tables > repunit > 5

Base 5 Repunits

Table

Viewing: 647 – 647 << prev next >>

(available: 0-999)

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

* 647: \[{5^{647}-1\over4}\] 226451 × 420551 × 51879049 × 25693758862675751621<20> × 919193425293964747748646878396719<33> × [366870964602824786858237941898206017415420936474703116353191127953194160118814452149484800080058271790430175067131306021442022332034671461710087732133844441193522797107065798421138241515646809593861892315519894643607236500029681395408929870583063111363371927022810757480021856959178616174775585896019243239584375647388786753569790461545993828444131661111221869839793643062194944581<381>]

Index range: 647 – 647 << prev next >>