Factor Info

ID 155940
Size 781 digits / 2594 bits
Status composite
Value 3889683395095105897482335600980979402928209975507401939876589450124214190447841027070584387594656931122792100876911255952126165199585526111247134769497810065257622832656497965697220703249035992969399094417283650359543146177537061797273554183705140624858004246975022444434152809747338928976437058829858857836198270395778896052286681690855649862283212379828066752154746710063995481351692835349394200641840047808400765286944929318215996757250687948930389742716029876013548426001056663902768331764878256634735195494166795820192830491113513350562710135477616595582444002617887572824484480049774592284769080986063660011995070515156617102768438491125356010448125054487525560724893801797817734072084720798345327118475823200298223689952246622720167940957236194854247855437720760970843222003

Factorizations

Primary (ID: 155941) 25784589387005760063387053 (proven prime)
(ID: 155942) 150853028400573496961874244610045514430110959164771792499442535339885808567331009666759515086231519131598327294373538907260219256780580926156226782584438045599973669334996214717883160848117374320748339704947312436049251293760994671386988199024106220292202976752819992153265426456479385395047634066305575177498793504337277156194927451878962516237305587786973482364326466385102885822549694134938107801356423711753481310618325556757961197909321481294568013714094955247978405267236243111409208398063276630862485241122487018763793404407125599124467379513122348490361128895691364746845345268395169509061208672821578674503667939049597283819866805925993508220765666277333197667551725425412163726423926510023999100818690683401932498498280691357526571553236511109151 (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.