tables > repunit > 20

Base 20 Repunits

Table

Viewing: 724 – 724 << prev next >>

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

* 724: \[{20^{724}-1\over19}\] 3 × 7 × 401 × 5431 × 1679681 × 762474569081<12> × 45404357846358829<17> × 1950946242897950910424273005343<31> × 748108548886224619905603599267654469623925901013358770285909178549760582914299235787180453421641960199404171881675421772329247032688625770413003793742706484775556162461683042485055073279679989759421240867<204> × 3894677162387392434645730540515184763824843975621564783040563384365388557244951108331157076580009925870773473325632383238559696983211619433738097344800138964567088742963904202858499097196480895839591908466159<208> × [3072477382330509732961744985353763483868099868206713677455025375951438109773484798129853847320849928386546787074558695533323701566931807710782214979444009365877616675977183368867787355717600895716762433174063193812541021023794033587047054575727028858242063206485787515326825063853275450759413117699250178115870325852972092673949286556671693661607265640033370906821288286891589829040095304516047627176335071481767072559218502478179532732328895321146729556921<457>]

Index range: 724 – 724 << prev next >>