n!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
* 336: | \[336!!!!+1\] | 1400701695857<13> × 748692404441843<15> × 74379718654451546773<20> × [15897163130461295912663147189739030869775063345653507840162229307790648830631199891009940499317273066270705424102141134798719250687<131>] |