Factor Info

ID 188728
Size 1244 digits / 4131 bits
Status composite
Value 19106306304025192744736258875729959858666972619561426599845678127367679622335273640964285130358521985422792695020995124019946132917062993510577076698154945552932382503991649907080318187097470309208922742847861584465020738527401602038541322546459946610911216191805884613001002260770373301345076540493692411108543525389684850915705845477085361449622318957247382996279070296463667453242468819279656903474153156743056533313187131726996348923558202140494235319921540016679595980677198568535521157516672373608764758924668065220281699658169364270182305517722184648300677798121834052762978756937922977623857712679643892196166463667650578223560951015353797474938915713835448992936009190376807221118410695739985235542921287125402937440662054916020328189885494145986224132586414693391904673614691080852117761039787881948869429620543334772511279093292965524375448295200653991298788642814874689966225644059330185628606594343167033285526004939962942299429737902929220965269817950878809961856017459378136230027022536015601203256199975738239646651612475416958619686639517225203854295275450829174792473620851491074256534203208274999453693099290673745455031837461141216188265710309775345526719042770152268261876112152236597851134121163021205446966193678670748831

Factorizations

Primary (ID: 186824) 91415169245565943072977027051836521 (proven prime)
(ID: 188729) 209005862612368752329811437052324494937701617568760913916972859459382638361526823547381372749138542444109107130784178437136192749136251365277479514843705577614419921037023857427363533789076339701424609059179411199224331509936898983509319357178122155368699300063961785309878631982869220303511815316308625207789866663499912441614266046385407501429818751406670609963285784687538886911308837315942173482363794746558880174924174050386069549458233530285699081690817522714670209277199019764481497468886732360703281920220609909940064397529756069580326078941797919209499531686973251008083570464055609993287306047722112317717063189248352982664799466554913661814985594403652802763880834960832214612067747146550987795638084877905376032942160461514324877814399745127277855798271602962045387810211920592961749036322217638775496850474569181722473460289958564675529969835248045370610731656198286508549313166794971298606437659967103577921731676162988985292236189891104685785479729248422856746440748935794625282813234251148783068028463101920298094921207296667423292522631323162355358809945790744024578993585433608498134466345714924612133689613120989802727171671962061890424791292296198413835967157352734200621879049810159495111 (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.