tables > factorial > f2+1

n!! + 1

Table

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(available: 0-999)

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

* 401: \[401!!+1\] 2 × 521 × 10453 × 222979 × 11005433 × 15103355263<11> × [50190043544638032852079158054838580782207682305526412373716068568503069384139426931043439252325346540848528897601082441469962059801046923879731559781361996664053034876190801061289298712249368376472194753620974444892493038224884377498889324540953077315621032255465461729747070981342340122195143430034501181778175314637787523491938012752831333482298008539942634122991668157654169906802041314377919505961454161<407>]

Index range: 401 – 401 << prev next >>