tables > factorial > f2-1

n!! - 1

Table

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

261: \[261!!-1\] 2 × 263 × 34297 × 79857301 × 78833787430110811122079252725968755220754966510550455534442121002420614338998155356142675755247356620321361081815676588376862597949709559997404086195250987251781973481454844246146159285545650397811890715465728173044655597464522621291899228575717<245>

Index range: 261 – 261 << prev next >>