tables > factorial > f2-1

n!! - 1

Table

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

* 253: \[253!!-1\] 2 × 463 × 7477 × 182552597 × [20282848153868854252677142329871368338936387657426220132381670008377006905990919520634142970707411163584222952713082108499291047839728250028604330567759880410029010589215680329928224744870235885466005054641310745999040591787722249656121<236>]

Index range: 253 – 253 << prev next >>