Factor Info

ID 173307
Size 1000 digits / 3320 bits
Status composite
Value 2099307425465331978598643225951782377241843280137359982682976773715686954812551373934694061080375207307128641902245472081061281131457364681599917224840089529082254333583787730574839830884902969235878026798374459443761377958489724559079526795615388286126467441669211672897448080227278501434695451820994468107580523382745632249882373798997659606652492368790891317674695611296149685492201591250294748074359054604629634304590022172432272480211548906472323815225619906965996723948505894852020686081486762107285378983495154012999495211281089575170248542033418369836456602284555096209499995496803539019752613809479772192718836957952776079582833618515335008799935448827570823719959574338968968286385525219914794342656843325460672171516740442769156821893319939189522763670677105846973594922313663464407645077603769209682307907901924618496266339354820012996201583375713318803202333119183970950684939576191227802247958114181166305477802225762127513182064507317398628062949161092130195917882415913449875276619701

Factorizations

Primary (ID: 171538) 133305064026205120554293842068289729063971238789136386454720362868892566492504796676399591 (proven prime)
(ID: 173308) 15748144609514983996405795562821245644819201977410490718749629553168652938453295700105850694101253579565640354349413310098364491172912185910545775717467188023118761467675520491028615055577978165559444406710985248731977690245489318136440871679706699517242943333446239757821325606775498209979928646168423043157137814515862660472307509583712962800361081689005814620163265709712601306116687958680064777354656382295433183012995826870563100561284064307666086368402964539919323838655442833920552814713318930683519654536464720390470066959205876197491022338464954127936722128657120313557608477337134612747020399342119475254417471634518467065650089452598217174503877798002717562899887992542441833697066122865819136414754207514509087940867628108013960893152161516857751955413634426210342877889658432284629794863250960363555722476875880112817558245274048491398850679950835566124201068277967897779241865779595329604366366211 (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.