Factor Info

ID 164915
Size 891 digits / 2960 bits
Status composite
Value 578642738878780796947434452574569596522951650605300562943281009865407489474791879493449087227081415283111514912696035832463762718472028716892979536547160763841028145121396344379108630610407094737504854344701424638043620541247307495564388694364236945197148348110020747805702971536024755779074391607528475581080084846682588318984578748132821447717882142536488000048673366975272520474626467373157774754590739062978164770170347707879428106804270724131816286115815400593812129624211376440570346619951937516982530073653667768180299492949159509130398857843162082142191293360156404214758985083912731757886620550982465567290436095357994009230492339815460459505123241950948470549654309860838738535164581056860410851882275238203095959224338944264733159382301702851738295039166716303126821221742864786183144485702680201782721836448343848872925445698327040333806209513528247134722260251805280730986163283

Factorizations

Primary (ID: 163525) 64803541049084747986977301 (proven prime)
(ID: 196558) 8929183953705462682208063684972382637921886561809264092200911861295726217755923666472028759528891854047371917411367160057825382613877505354300059555434657486964546940111307058211676275219377478561691629015280205827131676405153201698417679718982413816722885077270273076336282124857283529375061750016095470119605501631354972942405222103483317087047159114291211660084407979741241977107517310407186095303840275589377644760838300349014454788418249175638772549281806315249639727158333572574528838407404029391775460019585011360585049467579170269526177253659200279391918549014550035453942347943581319648931419027391526380623822196171567494128567037585639690558671557050834156881106444598012069508310129828347055957704187173703558120868826100125229913576981308583509663105353277598593275112146877060910395797516570849663950939198927139264360097685556238589279269204057757383 (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.