tables > repunit > 31

Base 31 Repunits

Table

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

223: \[{31^{223}-1\over30}\] 18916199 × 248353386469<12> × 2658474566933459958838424039855161639332984716828278865185343079234546730540409214387693731045280398766305486412182240138322092036505922900479292989369123038145171426634467572929275440335663288515516852412198506491874521123614232642459706122824843061552097869767931476340802376634113520929702146444199176889958123<313>

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