tables > repunit > 15

Base 15 Repunits

Table

Viewing: 721 – 721 << prev next >>

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

* 721: \[{15^{721}-1\over14}\] 7 × 1031 × 7211 × 37493 × 98057 × 1743463 × 507243071 × 96306861556309936387593197402996201073146200561<47> × 519026385414723540853974413380365896722060122651956414117<57> × [773416126966511993501454572730094998469395440178768392774741337341574550958532721456123953004143841913666192283626335814364244837409520792088557982261750709892327858230858800276900461928386453510844529324177971466268193962877952189983957043982202125054758667083778302190838926886840589625577582386081685921352906816826961200811759762229798287690546267736643191575959425414465365043293244344193191163446023670430116362062531036518091046116574860375554625895076993255571198135033213026624519036821410665960842738252610703229421322568786748873824291142913063396002799331567546283641049982572597362987177188535507623818514492292228803517598303045354650871465956650250405448520254454207304557072938270346646013245643<711>]

Index range: 721 – 721 << prev next >>