Factor Info

ID 153809
Size 1016 digits / 3373 bits
Status composite
Value 19205172531101455665420259851237319953652096347600922964452930754079117071285196580993089739971677214397055440705075611060609069163843263040397110576056137616700527686024506032955757489733962236019509941643073302777274778843737426076514135782696790698991822675307878955748135132373225993661699388868266532025264659898178844035409736024325729224077947364366924769790258829695866009258034242572382460158554578592253178546613655177439345598113545190293308694655099419721646719207016089942171183796420449542086763479159789912832020555808723365287635460198137311367995847438181113806911869070792030627051288489304205365060959490386245049357320687044441494201368067315750485061013199434064345880054857232716833540119911681713018367638575977179130380364881149032868944787871957350480958683141534464218863011964404333032529734874780273646489429279561413626483899002695696687766883441449930295515130876463974499315482465346917031200283449427020955942863561046178201981269826261326087259725128577349089097256821142320410719649

Factorizations

Primary (ID: 152164) 25065552102266095813 (proven prime)
(ID: 153810) 766197866009309960075725901592669100838090012256193327445680016417269484407018145891375643457388984300413052520378629863637831414659995154195555450722878752254097938749764477833424054193464530763645731805586920118839645632815302827085450180206139925894813763641197083687857279900902801687607531096193559280145005662008735593415093662615303618395964763329353485236579925833921484812853343552214531502453148912558263520842210816266367954197546539442427550069881564426120909128312946672925976986048937363524775786070837696898490080713781361606637161016848214078536466270706320265853970643786589519476077429536043786098193629420373344134898949024288153566716300145358205022053580844460759101602446921158137465542947895417301116226211830775460373354135928002465373667497063446094427300412489280701749548938073778889926073012659913112904004383827869206254504152002729332122805423358464724334909884811212117670150277281932528139721571377679457699163287143313857562406916330970319539056630842877814288173 (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.