Factor Info

ID 172821
Size 727 digits / 2413 bits
Status composite
Value 2053556568018440603583925196057914627412695892917268803356731811349598662301821028757824928832296047881935004685906913654703362508209167200650085133866975275844405099519576429029868213162356802961889287080561769700670401389747030082687372712771057244109874647260677339035535978412976276373247347717490716972851452612172193927575534467976116127301745530931713729931422292234798923435240271270429633688119051947846542679966837528395530901416923385312952111583522104101618771670166046731584929293610483051340314791436695218681008408932052436502765291627075976282569343561188031309623124304526232056965995262636472507145301459284764881710429260035851745215085284007708833022900890567688185410056690942219809022796062202135453265557

Factorizations

Primary (ID: 171413) 717057151353059039646350309597665532976870802447684392671629642041234787830243215608372027 (proven prime)
(ID: 172822) 2863867355821581291590835969093554821374856792540196405927939667945435963078970315332575056765519508032822059569954775943134382272220422493046349492899706200657253667633215600705941642726806295459909218299437458803644181929956324039372841437454226026574118084210093635062511394524045573549462284058420156674129415980566450895966543230083556216293153724143652801307868463163287936990094019053652506124269198094021833646857008185506290032322722527796242963961188264742428499982048577978605813060377139964694789790457050828663207905037283696216251345756334951862845601811188951031059941390911782623501232723083349211096573023732996632289391 (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.