tables > factorial > f2+1

n!! + 1

Table

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

246: \[246!!+1\] 281 × 7807054589977157<16> × 1671999276997777526101<22> × 35213079318369073867092618509294883813161553867211139754530958788994297165136250745078956890444109794212515164403858980994288482380029595828051755130237769025590060037929727680839975838265698661178169153<203>

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