Factor Info

ID 136928
Size 381 digits / 1263 bits
Status composite
Value 157678890143541367211852406301997383914008412346615853051767155975039128892548291522057794854907536884634014449611134222155324554223533682106009082141665770204193578330823813143557367030502938945283266305535359164407198201766574760592968985385450248438240846185394222872509632198730071928688970485938081098469833541204012809717821649164221535835728397965067025765346905670474329521

Factorizations

Primary (ID: 136777) 4217468380980037880092527701441161 (proven prime)
(ID: 171750) 37387094792374139409366638239909239593051808290028297080980495488790227141306852882157684124195548724239731043728404885987060696566571353910605144520060508447451364545023823757179392583418291193356625592131718250885250873203125589234709221495953248457448853296950833032993399126670281410545943112040265134669118333874324296588161345479338032246761 (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.