Factor Info

ID 131209
Size 849 digits / 2820 bits
Status composite
Value 652665350346165753322168005288752721987534188734006023829980187653276834382104669702056836645922475739194675795837314836635697036360062838634350667285499044078663142805425163765134391835334969532854590107922497383303545612477693022627578200128322658175327398797309314931417906825189308352960937321176601499664682677073080127067868966305524205192037045346032316737875335935378825479355879497633532488468793995238013667219345424125375425165062461149129427298702542120766289890778876053737184907192095967430709673671050386930866867318645182308966633487771965534609357711469008022072404985184202879660847602296871749829200806628913304046997849449559535335075772367345388233775477351420081487518522616788025903085745443565933498036252468501250953857959007545738084265617558737041112874952294698969597278805743035174503879851368838270387248158415839511469

Factorizations

Primary (ID: 265) 857530162443103645092016365167333548053095312130794224202009189528601953890493642138861 (proven prime)
(ID: 131210) 761099001447041826040271612110605304521416082720994446535761913847676233501989262736842346801393931032274068794473232775101780452229144286248093641629886490390306587496421864755436456854261718357841133213734142966704628704041519959700722609885077622851571065681908605788477128600293270309813753087097731418788616094406132393387818936877531731099434284122135021083230753557044535124160405650058815267501878147264158685912623451645757773069737728130668930374284567512721359221051623937994794351662868795985187118716556769533451372758626414504326702628554822875434433418530278958492896447182036035399697370490741212294090413894700240393568446944407082014108660383283507746770893326195052206428887199471296008839392301439862592130107270792487846987877371356164014529 (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.