Factor Info

ID 148730
Size 888 digits / 2948 bits
Status composite
Value 209052113462446847849756999390971422348893445057472361029607928302472527376411905817752788722396861314396857543518950415030941010976525783933846399861510420284597472618207514603215821873378988926117439984723783728015554716672808203070432500809206032064019806367268692477291584898617252500427107118497949771914063869442845783416210554116738659089795980081185227662699649455679021765651281468169893570665239851032245505388489674530038254869402331632548268056250043880817904746802902876651359123008207651742827700053553401935561389983739188323757677709814898388172380234230963441264516087968555002550203351745901965096536045354294879234265848872506446044144666880716250659363199320913669374943743098148303687515107384430251061430243781795776652457661263428784363318331728828740017963694037561893750273969450075545151328063256076337848491073674316151536021722005123705991100742869899097092439

Factorizations

Primary (ID: 147752) 256378579320532447759 (proven prime)
(ID: 148731) 815403978040940053949938611622510329608091644052402892788857664318388824017123449851224590848151002608473568293608974465949449034882196951507542433111270263530415639908100124842396302720720742882006803306563560234382459402088201523047905147382025005124955001784382095746826723037389874168932715212252349258698259396913669518898257616200814641728646482895341843010485689198213936209965741185589811615717937323127469152108444543777404388524685874568101315064878655177995535696794208320280337776636897356070013897522992553841125703869013833884346854194211702446210327422497334144232869822035583110037969207593407605075896360543880796757735943916882981949477996876170589307822338431916582669967224856337273981103444028362999216225471868429490147166942490374717100177625836601782533760297140398350726840240452673957988090531172648979075710548263418981345442784423446590521 (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.