n!!!!! + 1
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
374: | \[374!!!!!+1\] | 53 × 176753 × 28218944483<11> × 59062753238273<14> × 6452339789895750916268634504369301548779119922915899905544400878181378199111949677900881128862030296085799468867539451736775716567<130> |