680! = 3992184084435540885338321220199043431467884525256873634018854581128661466509213967895711819416915365225631326327899748395185242682468757299564763493576528420126343534752130111147273981116994923031362161719270469473409161907679975594543411762278843003357451951852226630569053924591783696973958810494936005197104795796343562632483558477241115374794951253447117472497476497615308660617912667703129874277536953639617580036436139603757506438340813566935384829203405868366160612366454906297367398442765200962613682496450499214591497375524637073120285813947925180449927642668197019664704816881363423813225096889187560581953205145051589597932824634117529544542084366388322708902088791567504583449622264244920266703371822346034969282338102797502509224510751098629053713554393149396978302167000447237261695328821322933630327744663202000350726451473217489016396513752062103339436457474673525827624129555792698982160879264657140109673874733368195672580268458223408592012595445631502834692943039388400094118351874632661707862104169034012500990429317210899085232704804626531343084432432198763604176592454436063900012237096845267816478623574662080087277113155646682468464375118913781642184640239451080634972208578603317630419280709243617724996673135954063100260702107093837577056581317528612114940813791647674088319171332069718943805283295309483902059673856042587192422630337627100007393911028517548675231278906780564478001076534023264767232559914185486509201359029737042151997440000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
* 1633 digits