Factor Info

ID 156937
Size 1295 digits / 4299 bits
Status composite
Value 12993155649014661886241617181281939176705568618117435845528615180027316450291309614184668415967322970309383799777656328578855434754384249843893557022116982645160675144198346607397147999483552977998882983481294884774589983292129279492894524079864316914636430138590587756445813010677605433466220427171625887071054214750415559941405625281780254286362179937082810770953887953659569942959823248682242650292900659887908291389513528093063620530373632721114401563233905273619114575678174423828415373896145736782828774723511618900338124024988461225476014311036492491353778338159566677381825296371102301356533432564133537764628811803702973120450425790699445156290036734843153614806638256260068705180241433610905431894239414996552468416488924053433716974904358133121817500491258951820723108829151535509089987238124523294074984798889077526382784622215178432583302101134736231716833099451793585324439257967200639679947920998563381680022131931079077339692995655614366949149321645683241173101692726717996229827955108877209318268505419916288035486795273862129376901512270550521650002640462399127267987071856788649408311078983821449729993651273443277739739395604457783449506983562311529736830430070119526073342729826500506043580718489457452594471635646075888163794915489666865031354965167016294043376338923084051

Factorizations

Primary (ID: 155947) 51593443404264110239768071673 (proven prime)
(ID: 190942) 251837341950717708786880242176067318527476582739044926013531017985113205784041955497887975852029564829206678185768657138629956751197495601729002579149756293333983106773008167960156395940053428014105777062904271285901984228434170034648303128325419265043462650065470633560372186486203899687154742893101293380067967845707612707426083385216256545240881281898502795879033593419730696501792313466428841175536211366029876323610762741718128997704286558052127133719421749839668527148993824917962340135314860178997543156940528829474093770095451304101307366620467018552016149920761156240848610030521109869730991489067828546233681561972550147784764837431570936253994302522363539176890500111585737036167714295846142812708403262582581237103776346554139010589010898177891754628470057912379275743197586423354499084269400139483183544326080787599967616055887631582774063757475475958155454235411853171441391344471205861599129682669057857460592201564247235726968063108525747895551803864235800782771021238672483081405023320144012358044057404660507891622970481245567180954813580790964723783944969204189702938009644295547785453928831673941741707979637792590338985254216180784266961354227339232764021131956397413608324645928769837849527649121463157009407513589029604846346142654753301844587 (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.