Factor Info

ID 181787
Size 819 digits / 2720 bits
Status composite
Value 341306981576087000526341376578722615056665971728777854778410950719322271940830232365599397791560953738492949585380388775449859819373063621958767407257626925738398586200966279752751667840605890921537448910010094160924078254079768948491544676276590497002346337160822962202406548574439429124357849259854017302038695401034220227314992238484084793767385523077850200707963213040312807702290879046228844276681934293938231257302150325785413468171761145385562873315928019867028557211864843172691405576007692110035187161614466824731318892684692620293019325190261402781736040553225867480820134503574471689071607232336192205390370443056168345204010645810576681411043998264431473266604036628108326692541563670630638303546100835770463702369833619207314926819499573669109157685218468416168884223915331460609069054717518428555876103837

Factorizations

Primary (ID: 12365) 51572317913872311911757951912300318150951529010852992713056410188808223669031456108513305895176548820252830351162027138955053026925605064977239035874635329961328112019198803049472615514448649022718837307737 (proven prime)
(ID: 181788) 6618026789993855766858529535787733475329236838811245827416084307925175854782109060187497981456678013962866935008629307873215024762283272413118494459848117704957838352261913758763342274323760412423219014240961204638947714372342158896867915309714828577342968928431529315858282420456805282833920372324038859553792794238685402672968131579088806334094857742531222106790688186663177587517241672433732945075664871467201701307160100599817178455108625348832127131393617683927576121778882964428976064011825725943814884790189930746891481007150847461992653670569894239817252421269339982267650916732814564599584746738452675301 (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.