Factor Info

ID 4157
Size 254 digits / 842 bits
Status composite
Value 18745913587679958661116463911644676780046615920440004126220391774972427182843448280961412019276870474266171314285028837879841255090955353297084698607533293091431872552732202635446250131139054262721361831283703123908533673591985459923489470235814588518977

Factorizations

Primary (ID: 4158) 44894058474254631045721 (proven prime)
(ID: 4159) 417558898098512669617625694548498916008931215892143648276707931831509224103967693879877699785949550501093038746015903758552886296007147165321117374057119113728526543292149479424212698351006767799781207316776851328125235591305591337 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.